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In Ulster County

May is Lyme Disease Awareness Month

May is the month when many people who get Lyme disease are exposed to it. Nymphal deer ticks are active from May through July, and it is the bite of these small ticks (as opposed to adult deer ticks active in fall) that lead to most Lyme infections.  However, ticks can be active year round when temperatures are above 40 degrees.

Ticks and Lyme disease

The New York State Department of Health (NYSDOH) and local health departments continue to investigate the spread of Lyme disease throughout New York State. Lyme disease is a bacterial infection caused by the bite of an infected deer tick. Untreated, the disease can cause a number of health problems. Patients treated with antibiotics in the early stage of the infection usually recover rapidly and completely. During the years of 2000 through 2010, more than a quarter of a million cases of Lyme disease have been confirmed in the United States and over 50,000 in New York State according to the Centers for Disease Control (CDC).2

The NYSDOH and local health departments also investigate several other tick-borne diseases, including babesiosis, ehrlichiosis (both human granulocytic anaplasmosis and human monocytic ehrlichiosis) and Rocky Mountain spotted fever. These tick-borne diseases are most frequently found on Long Island and in the lower Hudson Valley region. The number of cases of these diseases is much smaller in comparison to the cases of Lyme disease but their numbers are also increasing.

What is Lyme Disease?

Lyme disease is caused by bacteria transmitted by the deer tick (Ixodes scapularis). Lyme disease may cause symptoms affecting the skin, nervous system, heart and/or joints of an individual.

Who gets Lyme disease?

Lyme disease can affect people of any age. People who spend time in grassy and wooded environments are at an increased risk of exposure. The chances of being bitten by a deer tick are greater during times of the year when ticks are most active. Young deer ticks, called nymphs, are active from mid-May to mid-August and are about the size of poppy seeds. Adult ticks, which are approximately the size of sesame seeds, are most active from March to mid-May and from mid-August to November. Both nymphs and adults can transmit Lyme disease. Ticks can be active any time the temperature is above freezing. Infected deer ticks can be found throughout New York State.

How is Lyme disease transmitted?

Not all deer ticks are infected with the bacteria that cause Lyme disease. Ticks can become infected if they feed on small animals that are infected. The disease can be spread when an infected tick bites a person and stays attached for a period of time. In most cases, the tick must be attached for 36 hours or more before the bacteria can be transmitted. Lyme disease does not spread from one person to another. Transfer of the bacteria from an infected pregnant woman to the fetus is extremely rare.

What are the symptoms of Lyme disease?

In 60-80 percent of cases, a rash resembling a bull's eye or solid patch, about two inches in diameter, appears and expands around or near the site of the bite. Sometimes, multiple rash sites appear. The early stage of Lyme disease is usually marked by one or more of the following symptoms: chills and fever, headache, fatigue, stiff neck, muscle and/or joint pain, and swollen glands. If Lyme disease is unrecognized or untreated in the early stage, more severe symptoms may occur. As the disease progresses, severe fatigue, a stiff aching neck, and tingling or numbness in the arms and legs, or facial paralysis can occur. The most severe symptoms of Lyme disease may not appear until weeks, months or years after the tick bite. These can include severe headaches, painful arthritis, swelling of the joints, and heart and central nervous system problems.

When do symptoms appear?

Early symptoms usually appear within three to 30 days after the bite of an infected tick.

Does past infection with Lyme disease make a person immune?

Lyme disease is a bacterial infection. Even if successfully treated, a person may become reinfected if bitten later by another infected tick.

What is the treatment for Lyme disease?

Early treatment of Lyme disease involves antibiotics and almost always results in a full cure. However, the chances of a complete cure decrease if treatment is delayed.

What can I do to prevent Lyme disease?

Deer ticks live in shady, moist areas at ground level. They will cling to tall grass, brush and shrubs, usually no more than 18-24 inches off the ground. They also live in lawns and gardens, especially at the edges of woods and around old stone walls. Deer ticks cannot jump or fly, and do not drop onto passing people or animals. They get on humans and animals only by direct contact. Once a tick gets on the skin, it generally climbs upward until it reaches a protected area.

• In tick-infested areas, your best protection is to avoid contact with soil, leaf litter and vegetation. However, if you garden, hike, camp, hunt, work, or otherwise spend time in the outdoors, you can still protect yourself:
• Wear light-colored clothing with a tight weave to spot ticks easily.
• Wear enclosed shoes, long pants and a long-sleeved shirt. Tuck pant legs into socks or boots and shirt into pants.
• Check clothes and any exposed skin frequently for ticks while outdoors and check again once indoors.
• Consider using insect repellent. Follow label directions.
• Stay on cleared, well-traveled trails. Avoid contacting vegetation.
• Avoid sitting directly on the ground or on stone walls.
• Keep long hair tied back, especially when gardening.

Tick Life Cycle

Deer Tick Life Cycle

The deer tick passes through four life stages (egg, larva, nymph, adult), over a two year period

Egg to Larvae

Eggs are fertilized in the fall and deposited in leaf litter the following spring. They emerge as larvae in late summer of that year, seeking their first blood meal. The tiny larva crawls around the forest floor and onto low-lying vegetation looking for an appropriate host. Their first host is generally a mouse or other medium-sized mammal or bird. Once attached, the larvae embed their mouth parts and feed for several days. If the host is infected with a disease such as Lyme, the tick may be infected during this feeding. The larvae then drop off their host into the leaf litter where they molt into the next stage, the nymph, remaining dormant until the following spring.

Larvae to Nymph

During the spring and early summer of the next year the nymphs end their dormancy and begin to seek a host. Nymphs are commonly found on the forest floor in leaf litter and on low lying vegetation. Their host primarily consists of mice and other rodents, deer, birds and unfortunately humans. Most cases of Lyme disease are reported from May through August, which corresponds to the peak activity period for nymphs. This suggests that the majority of Lyme disease cases are transmitted by nymphal deer ticks. After feeding for several days the nymph ticks drop off to the forest floor.

Nymph to Adult

Over the next few months the nymph molts into the larger adult tick, which emerges in fall, with a peak in October through November. Both male and female adults find and feed on a host, then the females lay eggs sometime after feeding.

Adult ticks wait for host animals from the tips of grasses and shrubs approximately one meter above the ground. When an animal or person brushes by the vegetation, they quickly let go and climb onto the host. Adult ticks feed on their host for five to seven days. The female will become engorged with blood, providing nourishment for her developing eggs. After feeding and mating, the female tick drops into the leaf litter where she lays thousands of eggs. She will become dormant as the temperature drops below 40° F.

Tick Facts

Ticks can only crawl; they cannot fly or jump. Ticks found on the scalp have usually crawled there from lower parts of the body. Some species of ticks will crawl several feet toward a host. Ticks can be active on winter days when the ground temperatures are above 45 degrees Fahrenheit.

There are two groups of ticks, sometimes called "hard" ticks and "soft" ticks. Hard ticks, like the common dog tick and Deer tick, have a hard shield just behind the mouthparts (sometimes incorrectly called the "head"); unfed hard ticks are shaped like a flat seed. Soft ticks do not have the hard shield and they are shaped like a small raisin. Soft ticks prefer to feed on birds or bats and are seldom encountered unless these animals are nesting or roosting in an occupied building.

The most commonly encountered ticks in New York State are the deer tick, American dog tick, and lone star tick.

How to Remove a Tick

You find a tick attached to you or your child!
Now what?

Don't panic. Not all ticks are infected, and your risk of acquiring Lyme disease is greatly reduced if the tick is removed within the first 36 hours after attachment.

Remove the tick promptly and properly:

• Using tweezers, grasp the tick as close to the skin as possible.
• Gently pull the tick in a steady, upward motion.
• Wash the area with a disinfectant.
• When trying to remove the tick:
• DO NOT touch the tick with your bare hands.
• DO NOT squeeze the body of the tick as this may increase your risk of infection.
• DO NOT put alcohol, nail polish remover or Vaseline on the tick.
• DO NOT put a hot match or cigarette on the tick in an effort to make it "back out."
• DO NOT use your fingers to remove the tick.

These methods do not work and only increase the likelihood the tick will transmit Lyme disease to you. Applying alcohol, nail polish remover, or a hot match can irritate a tick and cause it to regurgitate its gut contents into your skin. The gut contents of a tick can contain the Lyme disease-causing bacterium.

While removing a tick, if the tick's mouthparts break off and remain in your skin, don't worry. The mouthparts alone cannot transmit Lyme disease, because the infective body of the tick is no longer attached. The mouthparts can be left alone. They will dry up and fall out by themselves in a few days, or you can remove them as you would a splinter.

After cleaning the area, watch the site of the bite for the appearance of a rash 3 to 30 days after the bite. The rash will usually be at least 2 inches in diameter initially and will gradually expand to several inches in size. Rashes smaller than the size of a quarter are usually a reaction to the bite itself and do not mean you have Lyme disease.

If you develop this type of rash or flu-like symptoms, contact your health care provider immediately. Although not routinely recommended, taking antibiotics within three days after a tick bite may be beneficial for some persons. This would apply to deer tick bites that occurred in areas where Lyme disease is common and there is evidence that the tick fed for more than one day. In cases like this you should discuss the possibilities with your doctor or licensed health care provider.

Ulster County Department of Health Tick Identification Service

Tick identification services are available through the Ulster County Department of Health. The Tick Identification Service will tell you the species of the tick, whether it is engorged with blood and, if so, how long it may have been feeding. The Tick Identification Service will also report whether the mouthparts are present (if not, they may have remained in the skin and need to be removed, as you would a splinter). There is no charge for this service.

The Tick Identification Service will not tell you whether the tick is infected with disease-causing organisms. Once you send a tick to be identified it will not be returned. If you wish to have a tick identified, place it in a sealed container such as a film container or plastic bag.  If you choose to mail the specimen, please note "Tick Enclosed" on outside of envelope. Include your name, phone number, and address with the specimen. You may also hand deliver or bring the tick to:

Ulster County Department of Health          
Tick I.D. Service                               
c/o Environmental Division                       
300 Flatbush Ave.                                      
Kingston, NY 12401                                   

For more information on tick-borne diseases, contact Ulster County Department of Health at (845) 334-5527.

Creating a Tick-Free Zone Around Your Home

While deer ticks are most abundant in wooded areas, they are also commonly found in our lawns and shrubs. There are a number of measures homeowners can take to reduce the possibility of being bitten by a tick on their property.

Ticks and their primary hosts - mice, chipmunks and other small mammals - need moisture, a place away from direct sunlight and a place to hide. The cleaner you keep the area around the house, the less likely your chances of being bitten by a tick.

Although it may not be possible to create a totally tick-free zone, taking the following precautions will greatly reduce the tick population in your yard.

• Keep grass mowed.
• Remove leaf litter, brush and weeds at the edge of the lawn.
• Restrict the use of groundcover, such as pachysandra in areas frequented by family and roaming pets.
• Remove brush and leaves around stonewalls and wood piles.
• Discourage rodent activity. Clean up and seal stonewalls and small openings around the home.
• Move firewood piles and bird feeders away from the house.
• Manage pet activity; keep dogs and cats out of the woods to reduce ticks brought into the home.
• Use plantings that do not attract deer (contact your local Cooperative Extension or garden center for suggestions) or exclude deer through various types of fencing.
• Move children's swing sets and sand boxes away from the woodland edge and place them on a wood chip or mulch type foundation.
• Trim tree branches and shrubs around the lawn edge to let in more sunlight.
• Adopt dryer or less water-demanding landscaping techniques with gravel pathways and mulches. Create a 3-foot or wider wood chip, mulch, or gravel border between lawn and woods or stonewalls. Consider areas with decking, tile, gravel and border or container plantings in areas by the house or frequently traveled.
• Widen woodland trails.
• If you consider a pesticide application as a targeted treatment, do not use any pesticide near streams or any body of water, as it may kill aquatic life or pollute the water itself.   

For more information about the Neighbor Notification Law click here.

Ulster County Parcel Viewer is a useful tool that can be used for identifying neighbors when complying with the Neighbor Notification Law that requires advanced notice of certain pesticide applications to occupants of neighboring dwellings with abutting property lines.

Click for Instructions on using the Ulster County Parcel Viewer.

Biological Control of Ticks¹

Ticks have relatively few natural enemies, but the use of predators, parasite, and pathogens has been examined for tick control. Anecdotal reports suggested that guinea-fowl or chickens may consume ticks and impact local tick abundance.  Insect parasitic nematodes have been studied as possible biological control agents.  Several fungi have been shown pathogenic to Ixodes scapularis.   A perimeter treatment of existing commercial formulations of the fungus Beauveria bassiana and with Metarhizium anisopliae at residential sites has been used to control Ixodes scapularis in small experimental studies.

For more information about biological control of ticks visit: http://www.ars.usda.gov/is/AR/archive/mar98/tick0398.htm.

Stafford III, Kirby C. 2007. Tick Management Handbook: An Integrated Guide for Homeowners, Pest Control Operators, and Public Health Officials for the Prevention of Tick-Associated Disease. 78 pp.Connecticut Agricultural Experiment Station Bulletin1010  http://www.ct.gov/caes/lib/caes/documents/publications/bulletins/b1010.pdf

Always read and follow pesticide label directions and precautions

Tick and Insect Repellents: Deciding on Their Use

There are many different products on the market, with different ingredients, concentrations and effectiveness. The most effective contain DEET, permethrin (only to be applied on clothing), picaridin or oil of lemon eucalyptus. If you decide to use one, be sure to follow label directions and apply repellent carefully.

About Insect Repellents

DEET (the label may say N,N-diethyl-m-toluamide) comes in many different concentrations, with percentages as low as five percent or as high as 100 percent. In general, the higher the concentration the higher the protection, but the risk of negative health effects goes up, too. Use the lowest concentration that you think will provide the protection you need.

Picaridin (also known as KBR3023) and oil of lemon eucalyptus were registered for use in New York State in 2005. Both repellents have been shown to offer long-lasting protection against mosquito bites but there are limited data regarding their ability to repel ticks.

Products containing permethrin are for use on clothing only, not on skin. Permethrin kills ticks and insects that come in contact with treated clothes. Permethrin products can cause eye irritation, particularly if label directions have not been followed. Animal studies indicate that permethrin may have some cancer-causing potential. Permethrin is effective for two weeks or more if the clothing is not washed. Keep treated clothing in a plastic bag when not in use.

If you decide to use any kind of repellent, carefully read and follow all label directions before each use. On the labels, you will find important information about how to apply the repellent, whether it can be applied to skin and/or clothing, special instructions for children, hazards to humans, physical or chemical hazards and first aid.

Children, Pregnant Women and Repellents

Children may be at greater risk for adverse reactions to repellents, in part, because their exposure may be greater.

• Keep repellents out of the reach of children.
• Do not allow children to apply repellents to themselves.
• Use only small amounts of repellent on children.
• Do not apply repellents to the hands of young children because this may result in accidental eye contact or ingestion.
• Try to reduce the use of repellents by dressing children in long sleeves and long pants tucked into boots or socks whenever possible. Use netting over strollers, playpens, etc.
• As with chemical exposures in general, pregnant women should take care to avoid exposures to repellents when practical, as the fetus may be vulnerable.

Considerations

When thinking about using a repellent, consider a combination of things, including where you are, how long you will be outside and how bad the bugs are, and if those bugs carry disease. Every situation is different. Use the following questions to make a "profile" that fits your situation - this may help you decide if you want to use a repellent, and if so, which kind.

What type of pest are you concerned about?

Ticks may be more difficult to repel than mosquitoes. Repellents provide some protection against ticks, as does wearing light-colored, long-sleeved shirts and long pants, with bottoms tucked into socks and boots.

When will you be outside? Where will you be?

Some pests are more active at certain times. For example, some mosquitoes are most active between dusk and dawn. Ticks may be active at any time of day. Some places are more likely to have higher activity too. Mosquitoes generally live in areas with brush and trees. Ticks prefer areas with tall grass, brush and trees.

How long will you be outside?

Are you doing some gardening, going on a hike, camping for a week? The longer you are out, the more protection you may need. Some people exposed to high numbers of ticks and mosquitoes for long periods of time use a two-part approach. With this approach, about 33 percent DEET in a controlled release formula is applied on exposed skin, and clothing is treated with permethrin. If, on the other hand, you are going to do some yard work or have a picnic during mid-day when mosquito activity is low and you decide to use an insect repellent, DEET concentrations as low as five percent may provide sufficient protection from mosquito bites for up to about four hours.

Remember! If you decide to use a repellent, use only what and how much you need for your situation.

Lyme Disease and Pets

 Lyme disease is not limited to humans. Veterinarians have reported Lyme in both dogs and cats. Just as with humans, it is important for animals to avoid tick bites and receive prompt treatment for Lyme disease.

Tick Bite Prevention:

• When walking or exercising your pet outdoors, try to keep it away from grassy or wooded areas and leafy debris.
• Check your pet regularly for ticks, especially after any trips through grassy or wooded areas. Comb through your pet's hair thoroughly.
• If you find a find a tick, remove it promptly.
• Consult your veterinarian about treating your dog or cat with tick-killing pesticides (acaricides) or using tick collars. There are many pesticides aimed at preventing tick bites, but some people and animals may be sensitive to the chemicals they contain.
• There is currently a Lyme disease vaccine available for dogs. However, there are varying opinions on its effectiveness. Consult your veterinarian about the vaccine.
• If you find several ticks on your dog, you may wish to discuss an insecticidal bath with your veterinarian or groomer.

Symptoms of Lyme Disease in Pets:

Symptoms of Lyme disease in animals are similar to the symptoms in humans. Although you will not see a skin rash on your pet, they can experience a range of symptoms:

• In dogs: Some infected dogs do not experience any symptoms of Lyme disease. Symptoms include lethargy, arthritis (displayed as joint pain, shifting from foot to foot, and lameness), fever, fatigue, and kidney damage. Symptoms can become chronic.
• In cats: While there is some debate about whether cats suffer from Lyme disease, cats are thought to be highly resistant to the disease.

 Treatment of Lyme Disease in Pets:

As with humans, animals are generally treated for Lyme disease with certain antibiotics. However, you should consult your veterinarian about proper treatment of your pet.

 Important Considerations for Pet Owners:

Pet owners are at an increased risk for tick encounters, especially those who have animals that are permitted to go in and out of the home. Ticks that have not embedded in the animal may drop off in the home and will continue to seek a blood meal. For this reason, it is not advisable to let pets sleep in the same bed with family members.

Click to download the Fact Sheet/Poster: Lyme Disease and Your Furry Friends

Lyme Disease in Ulster County

(Click to see the Hudson Valley Lyme Rate Profiles for 2005-2007 per 100,000 population)

Links for More Information

New York State Department of Health
http://www.health.state.ny.us/diseases/communicable/lyme/

Infectious Diseases Society of America's Guidelines for Treatment of Lyme Disease
http://www.journals.uchicago.edu/doi/full/10.1086/508667

International Lyme And Associated Diseases Society (ILADS)
http://www.ilads.org/

Lyme Disease Network
http://www.lymenet.org/

University of Rhode Island, Tick Encounter Resource Center
http://www.tickencounter.org/prevention/top_ten_things

Columbia University Medical Center: Lyme and Tick Borne Diseases Research Center
http://www.columbia-lyme.org/

Fordham University Tick Index
http://www.fordham.edu/academics/office_of_research/research_centers__in/the_louis_calder_cen/fordham_tick_index_29785.asp

CDC-Ticks
http://www.cdc.gov/ticks/index.html

Lyme Disease Diagnostic Center at New York Medical College
http://www.nymc.edu/LDDC

Babesiosis

What is babesiosis?

Babesiosis is a rare, severe and sometimes fatal tick-borne disease caused by various types of Babesia, a microscopic parasite that infects red blood cells. In New York State, the causative parasite is Babesia microti.

Who gets babesiosis?

Babesiosis is seen most frequently in the elderly or in immunocompromised individuals. Cases of this disease have been primarily reported during spring, summer and fall in coastal areas in the northeastern United States, especially Nantucket Island off the coast of Massachusetts and on Long Island in New York. Cases have also been reported in Wisconsin, California, Georgia, Missouri and some European countries. Babesiosis can be more severe in people who have had their spleen removed.

How is babesiosis transmitted?

Babesiosis is transmitted by the bite of an infected deer tick, Ixodes scapularis. Transmission can also occur via transfusion of contaminated blood.

What are the symptoms of babesiosis?

The disease can cause fever, fatigue and hemolytic anemia lasting from several days to several months. Infections can occur without producing symptoms.

When do symptoms appear?

It may take from one to eight weeks, sometimes longer, for symptoms to appear.

Does past infection with babesiosis make a person immune?

It is not known whether past infection with babesiosis can make a person immune.

What is the treatment for babesiosis?

While many people do not become sick enough with babesiosis to require treatment, there are effective therapies, usually either a combination of quinine and clindamycin or a combination of atovaquone and azithromycin. It is possible to become infected with babesiosis and Lyme disease at the same time, so be sure to seek medical attention if you become ill after a tick bite.

What can be done to prevent babesiosis?

When in tick-infested habitat - wooded and grassy areas - take special precautions to prevent tick bites, such as wearing light-colored clothing (for easy tick discovery) and tucking pants into socks and shirt into pants. Check after every two to three hours of outdoor activity for ticks on clothing or skin. Brush off any ticks on clothing before skin attachment occurs. A thorough check of body surfaces for attached ticks should be done at the end of the day. If removal of attached ticks occurs within 36 hours, the risk of tick-borne infection is minimal.

Repellents can be effective at reducing bites from ticks that can transmit disease. But their use is not without risk of health effects, especially if repellents are applied in large amounts or improperly. Repellents commonly available to consumers contain the active ingredients DEET (N, N-diethyl-m-toluamide), picaridin (also known as KBR 3023), oil of lemon eucalyptus, permethrin, or botanical oils. DEET products have been widely used for many years, but have occasionally been associated with health effects. Skin reactions (particularly at DEET concentrations of 50 percent and above) and eye irritation are the most frequently reported health problems. Picaridin and oil of lemon eucalyptus have been shown to offer long-lasting protection against mosquitoes but there are limited data regarding their ability to repel ticks. Products containing permethrin are for use on clothing only, not on skin. Rather than acting as a repellent, permethrin kills ticks and insects that come in contact with treated clothes. Permethrin can cause eye irritation. Insect repellents containing botanical oils, such as oil of geranium, cedar, lemongrass, soy or citronella are also available, but there is limited information on their effectiveness and toxicity. If you decide to use a repellent, use only what and how much you need for your situation. In addition:

• Be sure to follow label directions.
• Use repellents only in small amounts, avoiding unnecessary repeat application. Try to reduce the use of repellents by dressing in long sleeves and pants tucked into socks or boots.
• Children may be at greater risk for reactions to repellents, in part, because their exposure may be greater. Do not apply repellents directly to children. Apply to your own hands and then put it on the child.
• Do not apply near eyes, nose or mouth and use sparingly around ears. Do not apply to the hands of small children.
• After returning indoors, wash treated skin with soap and water.

Babesiosis in Ulster County

(Click to see the Hudson Valley Babesiosis Rate Profiles for 2005-2007 per 100,000 population)

Ehrlichiosis: Human Monocytic Ehrlichiosis, Human Granulocytic Anaplasmosis

What is ehrlichiosis?

Ehrlichiosis is a tick-borne disease which can be caused by either of two different organisms. Human monocytic ehrlichiosis (HME) is caused by Ehrlichia chaffeensis, which is transmitted by the lone star tick (Amblyomma americanum). Human granulocytic anaplasmosis (HGA), previously known as human granulocytic ehrlichiosis (HGE), is caused by Anaplasma phagocytophilia, which is transmitted by the deer tick (Ixodes scapularis). In New York State, most cases of ehrlichiosis have been reported on Long Island and in the Hudson Valley.

Who gets ehrlichiosis?

Anyone can get ehrlichiosis, although the majority of known cases have been in adults. People who spend time outdoors in tick-infested areas from April until October are at greatest risk for exposure.

How is ehrlichiosis transmitted?

Ehrlichiosis is transmitted by the bite of infected ticks, including the deer tick and the lone star tick. Ehrlichiosis cannot be spread from person to person.

What are the symptoms of ehrlichiosis?

The symptoms of HME and HGE are the same and usually include fever, muscle aches, weakness and headache. Patients may also experience confusion, nausea, vomiting and joint pain. Unlike Lyme disease or Rocky Mountain spotted fever, a rash is not common. Infection usually produces mild to moderately severe illness, with high fever and headache, but may occasionally be life-threatening or even fatal.

When do symptoms appear?

Symptoms appear one to three weeks after the bite of an infected tick. However, not every exposure results in infection.

What is the treatment for ehrlichiosis?

Tetracycline antibiotics are usually rapidly effective for ehrlichiosis. Because these antibiotics can cause dental staining in children, physicians should consult an infectious disease expert when treating children.

What can be done to prevent ehrlichiosis?

When in tick-infested habitat - wooded and grassy areas - take special precautions to prevent tick bites, such as wearing light-colored clothing (for easy tick discovery) and tucking pants into socks and shirt into pants. Check after every two to three hours of outdoor activity for ticks on clothing or skin. Brush off any ticks on clothing before skin attachment occurs. A thorough check of body surfaces for attached ticks should be done at the end of the day. If removal of attached ticks occurs within 36 hours, the risk of tick-borne infection is minimal.

Repellents can be effective at reducing bites from ticks that can transmit disease. But their use is not without risk of health effects, especially if repellents are applied in large amounts or improperly. Repellents commonly available to consumers contain the active ingredients DEET (N, N-diethyl-m-toluamide), picaridin (also known as KBR 3023), oil of lemon eucalyptus, permethrin, or botanical oils. DEET products have been widely used for many years, but have occasionally been associated with health effects. Skin reactions (particularly at DEET concentrations of 50 percent and above) and eye irritation are the most frequently reported health problems. Picaridin and oil of lemon eucalyptus have been shown to offer long-lasting protection against mosquitoes but there are limited data regarding their ability to repel ticks. Products containing permethrin are for use on clothing only, not on skin. Rather than acting as a repellent, permethrin kills ticks and insects that come in contact with treated clothes. Permethrin can cause eye irritation. Insect repellents containing botanical oils, such as oil of geranium, cedar, lemongrass, soy or citronella are also available, but there is limited information on their effectiveness and toxicity. If you decide to use a repellent, use only what and how much you need for your situation. In addition:

• Be sure to follow label directions.
• Use repellents only in small amounts, avoiding unnecessary repeat application. Try to reduce the use of repellents by dressing in long sleeves and pants tucked into socks or boots.
• Children may be at greater risk for reactions to repellents, in part, because their exposure may be greater. Do not apply repellents directly to children. Apply to your own hands and then put it on the child.
• Do not apply near eyes, nose or mouth and use sparingly around ears. Do not apply to the hands of small children.
• After returning indoors, wash treated skin with soap and water.

Ehrlichiosis in Ulster County

(Click to see the Hudson Valley Ehrlichiosis Rate Profiles for 2005-2007 per 100,000 population)

Ulster County Resources:

Mid-Ulster Lyme Support Group:

Meet the 4th Wednesday of the month, 7:00-8:30 pm, Hudson Valley Sudbury School, 84 Zena Road, Woodstock. Contact March Gallagher (845) 705-2622.

New Paltz Lyme Support Group:

Meet the 1st Monday of the month, 7:00-9:30 pm, 127 Springtown Rd., New Paltz. Contact Beverly 646-258-9600 or BPhoenix4@gmail.com

This information provided by the New York State Department of Health.

1. Stafford III, K. C. 2004. Tick management handbook: a integrated guide for homeowners, pest control operators, and public health officials for the prevention of tick-associated disease. (p. 60). The Connecticut Agricultural Experiment Station.

2. http://www.cdc.gov/lyme/stats/index.html

YouTube Video "Be Tick Free"

http://www.youtube.com/watch?v=EpseF3Lp0tA

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