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Michigan residents urged to “Fight the Bite” 


OUT-Fight-the-Bite-mosquitoWith warmer weather upon us, it is important to take precautions against mosquito and tick bites.  The Michigan Departments of Health and Human Services, Natural Resources, and Agriculture and Rural Development are reminding all residents to protect themselves from mosquito and tick-borne diseases in Michigan and while traveling out of state.

“As we spend more time outdoors, it’s important to remember that a single bite from an infected mosquito can have serious health consequences,” said Dr. Eden Wells, chief medical executive for MDHHS. “The best way to protect yourself and your family against mosquito-borne illness is to prevent mosquito bites.”

Seasonal activity varies from year to year, but mosquitoes encountered in Michigan can carry illnesses such as West Nile virus (WNV) and Eastern Equine Encephalitis (EEE), and ticks can carry illnesses such as Lyme disease and Rocky Mountain spotted fever. International travelers may be at risk for exposure to other mosquito-transmitted diseases. People considering international travel, including Mexico, Central and South America, should consult the Centers for Disease Control and Prevention (CDC) travelers health page for specific health information about the country they are visiting.

“Horses and other animals can act as sentinels for mosquito-borne viruses such as EEE, which is why implementing preventive measures and vaccination is important,” said Dr. James Averill, MDARD’s State Veterinarian. “Additionally, dogs and domestic animals are susceptible to tick-borne diseases like Lyme Disease. I encourage all animal owners to work with a licensed veterinarian to make sure your animals stay healthy.”

Mosquito and tick-borne diseases can cause mild symptoms, severe infections requiring hospitalization, and even death in some cases. Nationally in 2015, there were 2,060 WNV cases and 119 deaths reported to the CDC, including 18 cases and two deaths in Michigan. Those with the highest risk of illness caused by WNV are adults 50 years of age and older.

Michigan is considered “low risk” for mosquito transmission of Zika, dengue, and chikungunya virus, as the mosquitoes that spread the diseases have not been found in the state. Zika is a virus that is newly emerged in the western hemisphere, and while its symptoms are not considered severe, the virus can cause birth defects in fetuses of pregnant women exposed to the virus. To date in 2016, there have been four travel-related cases identified in Michigan. Protection against mosquito-borne disease is as easy as remembering to take these key steps:

• Avoid mosquito bites: Use insect repellent according to label directions when outdoors and mosquitoes are biting. Look for EPA-labeled products containing active ingredients, such as DEET, Picaridin or oil of lemon eucalyptus). Re-apply as needed. Use nets or fans around outdoor eating areas to keep mosquitoes away. Start with a low-concentration product and reapply if necessary. Apply repellent on your hands and then rub it on the child and never apply repellent to children’s hands or their skin under clothing.

• Mosquito-proof homes: Fix or install window and door screens and cover or eliminate empty containers with standing water where mosquitoes can lay eggs.

• Help your community: Report dead birds to Michigan’s Emerging Diseases website to help track WNV and support community-based mosquito control programs.

• Vaccinate horses against WNV and EEE virus and work with your veterinarian.

• Pregnant women should not travel to areas with active Zika transmission. If they must travel, they should take precautions to prevent mosquito bites.

Michigan is also home to a number of tick species that will bite people and are typically found in wooded or brushy areas with tall grass and leaf litter. The ticks mostly commonly encountered in Michigan can carry Lyme disease, Rocky Mountain spotted fever and other human illnesses. Lyme disease is the most common tick-borne disease reported in the state with 148 human cases reported in 2015.

Many tick-borne diseases have similar symptoms. See your healthcare provider if you develop signs of illness such as a fever, body aches and/or rash in the days after receiving a tick bite or recreating in tick habitat. Early recognition and treatment can decrease the chance of serious complications. You can prevent tick bites by:

• Avoiding tick-infested areas. This is especially important in May, June, and July. If you are in tick infested areas, walk in the center of trails to avoid contact with overgrown grass, brush, and leaf litter at trail edges. Dogs and domestic animals can also be impacted, so using a tick preventative is recommended.

• Using insect repellent. Apply repellent containing DEET (20-30%) or Picaridin on clothes and on exposed skin. You can also treat clothes (especially pants, socks, and shoes) with permethrin, which kills ticks on contact or buy clothes that are pre-treated. Permethrin can also be used on tents and some camping gear. Do not use permethrin directly on skin. Always follow the manufacturer’s instructions when applying any repellents.

• Bathing or showering. Bathe or shower as soon as possible after coming indoors (preferably within two hours) to wash off and more easily find ticks that are crawling on you. Ticks can get a ride indoors on your clothes. After being outdoors, wash and dry clothing at a high temperature to kill any ticks that may remain on clothing.

• Performing daily tick checks. Always check for ticks after being outdoors, including your animals, even in your own yard. Because ticks must usually be attached for at least a day before they can transmit the bacteria that cause Lyme disease, early removal can reduce the risk of infection. Inspect all body surfaces carefully, and remove attached ticks with tweezers. Grasp the tick firmly and as closely to the skin as possible. With a steady motion, pull the tick’s body away from the skin. Do not be alarmed if the tick’s mouthparts remain in the skin. Cleanse the area with an antiseptic.

For more information about the diseases carried by mosquitoes and ticks, visit www.michigan.gov/emergingdiseases, or the CDC’s website at www.cdc.gov.

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Fight the Bite this summer


Use insect repellant to keep away mosquitoes and ticks this summer.

Use insect repellant to keep away mosquitoes and ticks this summer.

As the weather warms and people begin to spend more time outdoors, it is important to take precautions against mosquito and tick bites. The Michigan Department of Community Health (MDCH) would like to remind people, especially those spending time outdoors and children at camps, to protect themselves from mosquito or tickborne diseases.

Last year, West Nile Virus was responsible for 36 illnesses and 2 fatalities reported in Michigan. Seasonal activity varies from year to year, but mosquitoes in Michigan can carry illnesses such as West Nile virus (WNV) and Eastern Equine Encephalitis (EEE), and ticks can carry illnesses such as Lyme disease and Rocky Mountain spotted fever. Mosquito and tick-borne diseases can cause mild symptoms, severe infections requiring hospitalization, and even death.

Adults who are 50 and older have the highest risk of illness caused by West Nile Virus. In addition to presenting a greater risk for older people, EEE is more likely to cause illness in children 15 years of age or younger. People in outdoor occupations such as construction and landscaping are at increased risk of getting bitten, but the mosquito that carries WNV likes to get indoors as well. You can protect against mosquito bites by remembering to:

The West Nile virus maintains itself in nature by cycling between mosquitoes and certain species of birds. A mosquito (the vector) bites an uninfected bird (the host), the virus amplifies within the bird, an uninfected mosquito bites the bird and is in turn infected. Other species such as humans and horses are incidental infections, as they are not the mosquitoes’ preferred blood meal source. The virus does not amplify within these species and they are known as dead-end hosts.

The West Nile virus maintains itself in nature by cycling between mosquitoes and certain species of birds. A mosquito (the vector) bites an uninfected bird (the host), the virus amplifies within the bird, an uninfected mosquito bites the bird and is in turn infected. Other species such as humans and horses are incidental infections, as they are not the mosquitoes’ preferred blood meal source. The virus does not amplify within these species and they are known as dead-end hosts.

Avoid mosquito bites: Use insect repellent when outdoors especially from dusk to dawn. Look for EPA-labeled products containing active ingredients, such as DEET, Picaridin, or oil of lemon eucalyptus. Reapply as needed according to label directions. Use nets or fans around outdoor eating areas to keep mosquitoes away.

Mosquito-proof homes: Fix or install window and door screens and cover or eliminate empty containers with standing water where mosquitoes can lay eggs.

Help your community: Report dead birds to Michigan’s Emerging Diseases website (www.michigan.gov/emergingdiseases) to help track WNV and support community-based mosquito control programs.

Vaccinate horses against West Nile virus and Eastern Equine Encephalitis virus.

Michigan is also home to a number of tick species that will bite people. Ticks are typically found in wooded or brushy areas with tall grass and leaf litter. The ticks most commonly encountered by people in Michigan include the American dog tick which can carry Rocky Mountain spotted fever, and the blacklegged tick which can spread a number of illnesses, including Lyme disease.

Lyme disease is considered to be an emerging disease due to the expansion of tick populations in Michigan’s western Upper and Lower Peninsulas and is the most common tick-borne disease reported in the state with 165 human cases reported in 2013,  an increase of almost 60 percent from the previous year. The period from June to September is of concern because of the poppy-seed sized nymphal-stage tick, which is responsible for much of the Lyme disease in the U.S. While rare, human cases of Rocky Mountain spotted fever have also been documented in Michigan.

Many tickborne diseases have similar symptoms. See your healthcare provider if you develop signs of illness such as a fever, body aches and/or rash in the days after receiving a tick bite or recreating in tick habitat. Early recognition and treatment can decrease the chance of serious complications. You can prevent tick bites by remembering these easy steps:

Both nymphal and adult deer ticks can be carriers of Lyme disease. Nymphs are about the size of a poppy seed.

Both nymphal and adult deer ticks can be carriers of Lyme disease. Nymphs are about the size of a poppy seed.

Avoid tick-infested areas. This is especially important in May, June, and July. If you are in tick infested areas, walk in the center of trails to avoid contact with overgrown grass, brush, and leaf litter at trail edges.

Use insect repellent. Spray repellent containing DEET or Picaridin on clothes and on exposed skin. You can also treat clothes (especially pants, socks, and shoes) with permethrin, which kills ticks on contact or buy clothes that are pre-treated. Permethrin can also be used on tents and some camping gear. Do not use permethrin directly on skin. Always follow the manufacturer’s instructions when applying any repellents.

Bathe or shower. Bathe or shower as soon as possible after coming indoors (preferably within two hours) to wash off and more easily find ticks that are crawling on you. Ticks can get a ride indoors on your clothes. After being outdoors, wash and dry clothing at a high temperature to kill any ticks that may remain on clothing.

Perform daily tick checks. Always check for ticks after being outdoors, even in your own yard. Ticks must usually be attached for at least a day before they can transmit the bacteria that cause Lyme disease, so early removal can reduce the risk of infection. To remove an attached tick, grasp the tick firmly and as closely to the skin as possible. With a steady motion, pull the tick’s body away from the skin. Do not be alarmed if the tick’s mouthparts remain in the skin. Cleanse the area with an antiseptic.

For more information about WNV, visit www.michigan.gov/westnilevirus. For more information about diseases carried by mosquitoes and ticks, visit www.michigan.gov/emergingdiseases.

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Protect Michigan pets and livestock


Vaccinate before summer

 

Now that it’s spring, animal health officials at the Michigan Department of Agriculture and Rural Development (MDARD) are reminding Michigan owners that vaccinating pets and livestock protects them from diseases, even if they are exposed to an infected animal or disease-carrier, such as mosquitoes and ticks.

“Vaccinating, deworming, and routine animal health activities should occur in the spring before moving to sales, exhibitions, or even before going on vacation,” said State Veterinarian Dr. Steven Halstead. “State law also requires all dogs six months and older to be licensed. To get a license, an owner must show proof that a veterinarian has vaccinated the dog against rabies, and that the vaccine is current. Each year we remind animal owners of the importance of vaccinating, which not only protects the pet, but also the food-animal industry.”

Core vaccines are recommended for most pets. Additional “non-core vaccines” (e.g., feline leukemia, canine kennel cough and other vaccines) may be appropriate if the animals are going to pet care facilities, kennels, or shows where they will be co-mingling. Additionally, pet and livestock owners are encouraged to have their veterinarian check for internal parasites and heartworms.

MDARD recommends owners speak with their private veterinarian regarding the following vaccinations:

Dogs: rabies, canine distemper, parvovirus, and adenovirus. In addition, owners should have the dogs checked for heartworm and intestinal parasites. Some veterinarians also recommend vaccination against leptospirosis and treatment to prevent Lyme disease.

Cats: rabies, herpes virus, calicivirus, and panleukopenia.

Horses: MDARD mandates Equine infectious anemia (EIA) testing if traveling to a public event, as part of a sale, or importing a horse into Michigan from another state; and owners should talk to their veterinarian about the following vaccines: Tetanus toxoid, rabies, Eastern and Western Equine Encephalitis, West Nile Virus, and Rhinopneumonitis (EHV-1 and EHV-4).

Horse owners should prepare to follow these tips to prevent mosquito-borne illness:

Vaccinate your horses. Inexpensive vaccines for EEE and WNV are readily available and should be repeated at least annually. It is never too late to vaccinate horses. Talk to your veterinarian for details.

Use approved insect repellants to protect horses.

If possible, put horses in stables, stalls, or barns during the prime mosquito exposure hours of dusk and dawn.

Eliminate standing water, and drain troughs and buckets at least two times a week.

Sheep and goats: CD-T toxoid provides three-way protection against enterotoxemia (overeating disease) caused by Clostridium perfringins types C and D and tetanus (lockjaw) caused by Clostridium tetani. The large animal rabies vaccine is approved for use in sheep. No rabies vaccine is currently licensed for goats.

Cattle: Infectious bovine rhinotracheitis (commonly called IBR); Bovine Viral Diarrhea, PI3, BRSV (viruses causing pneumonia/sickness); Leptospirosis (5-Way); Vibriosis; Calfhood vaccination for Brucellosis; Bovine Tuberculosis testing in the Modified Accredited Area (contact MDARD for additional information).

For information on animal health fair requirements visit: http://www.michigan.gov/documents/mda/ExReq_225448_7.pdf

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