If outdoors, wear light colored long-sleeved shirts and long pants. Blood, organ, tissue and bone marrow donation do not pose any risk of West Nile virus to the donor. Contact the Pesticide and Plant Management Division or the nearest MDA regional office for further information or for assistance in developing comprehensive and integrated plans.
West Nile virus has been detected in birds in 71 counties and in horses in Michigan. Tweets by MichiganHHS. Browsers that can not handle javascript will not be able to access some features of this site. Who is at risk? What are the symptoms of West Nile virus infection? The symptoms of neurologic illness can include headache, high fever, neck stiffness, disorientation, coma, tremors, seizures, or paralysis.
Recovery from severe disease may take several weeks or months. Some of the neurologic effects may be permanent. About 10 percent of people who develop neurologic infection due to West Nile virus will die. Consult a healthcare provider for evaluation and diagnosis. How is West Nile virus disease diagnosed? I know that birds sometimes get sick and die of West Nile. What should I do if I want to report sick or dead wildlife around my home or community? You can report sick or dead wildlife to the Michigan Department of Natural Resources.
What is the treatment for West Nile virus disease? Prevention How can I prevent West Nile virus? The most effective way to avoid West Nile virus disease is to prevent mosquito bites: Use insect repellents when you go outdoors. Repellents containing DEET, picaridin, IR, and some oil of lemon eucalyptus and para-menthane-diol products provide longer-lasting protection.
Corvids are reported and collected by the health departments or DNR wildlife offices if found dead or observed displaying symptoms consistent with WNV infection. The assay is a rapid "immunochromatographic" assay i. Non-corvid birds and mammals observed alive prior to death with signs of a central nervous system disorder are collected and submitted to the DNR where a complete necropsy is performed. Blood feathers feathers that have blood at their base or tissues heart, kidney, brain, and intestinal tract are submitted for polymerase chain reaction PCR testing.
There is no vaccine available for mammals and birds. Keeping pets indoors around dusk and dawn when mosquitoes are most active can help them avoid being bitten. There is no vaccine or specific treatment for humans. Treatment for humans is aimed at improving the symptoms of an infected person but does not shorten the course of the illness. Main treatment concerns involve lowering fever, avoiding dehydration, decreasing brain swelling, or dealing with a loss of automatic breathing activity.
Mild symptoms will usually resolve in a few days. In more severe cases more intensive supportive therapy involving hospitalization is needed. Currently the only vaccine available is for horses although it has been used on avian species in captive collections in the U. The vaccine is available through a licensed veterinarian. Reducing exposure to mosquitoes is the best method of control.
These methods include: reduce time outdoors at dusk and dawn, wear long sleeves and pants when outdoors, apply insect repellent containing DEET follow manufacturer's directions , and drain standing water in yards where mosquitoes may breed.
The impact of WNV on corvids in the U. In , significant numbers of raptor species owls, hawks, eagles, and vultures were found to be infected with the virus. Many mammalian species have also been shown to be susceptible to WNV. People should still take the proper precautions in areas where WNV activity has been shown to be high. Browsers that can not handle javascript will not be able to access some features of this site.
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