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Mosquitoes can also transmit West Nile virus to people. Most people who contract the virus never develop symptoms. However, a small percentage do have symptoms, and infection is more common in children, the elderly, and immunosuppressed people. West Nile fever in people is a syndrome characterized by fever, headache, and weakness.
Apr 11, 2024 · West Nile virus is a mosquito-borne illness that can cause flulike symptoms. Most people recover, but in rare cases a West Nile virus infection can be life-threatening. West Nile virus is found worldwide, including in the U.S., and is most commonly spread by the Culex species of mosquito.
Most of the time, a West Nile virus infection doesn't make a person sick or cause symptoms. When symptoms do happen, they're usually mild and can include: fever. headache. body aches. joint pain. vomiting or diarrhea. skin rash. Rarely, a person can get very ill with problems that affect the central nervous system, such as encephalitis or ...
Oct 5, 2022 · The typical incubation period for West Nile is 2-6 days, although it can be as long as 15 days. Most people infected with West Nile virus will be asymptomatic or experience a flu-like illness. 20% of those bitten by an infected mosquito will develop the symptoms of West Nile fever. 1 out of 150 people bitten by an infected mosquito will develop ...
Jan 25, 2024 · What Is West Nile Virus in Dogs? West Nile is a virus that can cause encephalitis, an inflammation of the brain. It’s spread by mosquitoes and is more common in warmer regions of the world that have high mosquito populations. While humans can contract West Nile virus, most don’t develop any symptoms.
Apr 1, 2009 · Birds with visible symptoms of West Nile virus often die within a few days. Affected birds will often be fluffed out and stay low to the ground, or seem off balance and unable to stand. Because West Nile virus affects birds, public health officials look for cases of sick and dead birds as an early warning that an outbreak may begin.
West Nile virus infection is a viral disease spread primarily from mosquitoes to people. Most people have mild or no symptoms, but some people develop a severe infection that affects the central nervous system. West Nile virus infection is present in the contiguous United States, southern Canada, Mexico, Central and South America, and Caribbean ...
