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The virus was first isolated in Uganda s West Nile district in 1937. In the past decade, outbreaks also were reported in Romania, Italy and Russia. The virus is transmitted among birds and to human beings by infected mosquitoes. When was the first
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West Nile virus infection in humans ranges from infection without symptoms to serious brain illness and death. About 80% of people who are infected will experience no symptoms and will not be aware of the infection. Most people who get sick will
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West Nile virus has only rarely caused serious illness in companion animals like dogs or cats; however, horses are susceptible to the virus. Signs of the disease in horses may vary and include any combination of the following: fever, weakness,
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A. Maine CDC has developed a surveillance system to track the occurrence of West Nile virus and other arboviruses, generally beginning in July and lasting through the end of September. Surveillance efforts include adult mosquito trapping and testing,
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A. Some people have developed West Nile virus after receiving a transplanted organ or blood products from an infected donor. Since 2003, blood donor agencies such as the American Red Cross have screened people for West Nile virus after blood
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West Nile virus infection is not transmitted from person to person. For example, you cannot get West Nile virus from touching or kissing a person who has the disease, or from a health care worker who has treated someone with the disease. How can I
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An encephalitis is specifically an inflammation of the brain generally caused by viruses or bacteria. West Nile and other encephalitides are most often characterized by mild fever, head and body aches and, in some cases, a rash and swollen lymph
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• West Nile Virus is spread to humans, birds and mammals by mosquitoes that have bitten infected birds. The most effective way to control the spread of West Nile Virus is to control the mosquito population. • The most effective way to reduce local
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• A. There is no specific treatment for West Nile virus infection. People with mild West Nile virus infections usually recover on their own. Physicians can provide supportive therapy for people who have more serious complications, such as
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A. Signs for West Nile virus infection begin to appear 5 to 15 days after infection.
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