West Nile virus (WNV) is an infectious disease that first appeared in the United States in 1999. Infected mosquitoes spread the virus that causes it. People who get WNV usually have no symptoms or mild symptoms. The symptoms include a fever, headache, body aches, skin rash, and swollen lymph glands. They can last a few days to several weeks, and usually go away on their own.
If West Nile virus enters the brain, however, it can be life-threatening. It may cause inflammation of the brain, called encephalitis, or inflammation of the tissue that surrounds the brain and spinal cord, called meningitis. A physical exam, medical history, and laboratory tests can diagnose it.
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West Nile virus
- West Nile Virus (National Library of Medicine)West Nile virus (WNV) is an infectious disease that first appeared in the United States in 1999. Infected mosquitoes ... and usually go away on their own. If West Nile virus enters the brain, however, it can be life- ...
- West Nile virus causes a viral disease and is spread by mosquitoes. The condition ranges from mild to severe. ... West Nile virus was first identified in 1937 in Uganda in eastern Africa. It was first discovered in the ...
- West Nile Virus (American Academy of Family Physicians)West Nile Virus/Start Here ... West Nile Virus ... American Academy of Family Physicians
- West Nile Virus: Symptoms and Treatment (Centers for Disease Control and Prevention)Information on West Nile Virus. Provided by the U.S. Centers for Disease Control and Prevention.
- Prevention of West Nile Virus (Centers for Disease Control and Prevention)Information on West Nile Virus. Provided by the U.S. Centers for Disease Control and Prevention. ... away, mosquito prevention, how to avoid mosquito bites, West Nile Virus Infection, Mosquito-Borne Diseases
- West Nile Virus/Start Here
- FAQ: General Questions about West Nile Virus (Centers for Disease Control and Prevention)West Nile Virus/Start Here ... West Nile Virus
- FAQ: West Nile Virus and Dead Birds (Centers for Disease Control and Prevention)West Nile Virus/Related Issues ... West Nile Virus
- Climate Change Indicators: Health and Society (Environmental Protection Agency)Climate Change/Learn More ... Climate Change ... Environmental Protection Agency ... Health and Society
- General Information about Mosquitoes (Environmental Protection Agency)... Bites can transmit diseases such as malaria and West Nile virus to humans, as well as diseases and parasites ...
(National Institute of Allergy and Infectious Diseases) 