Which states have West Nile virus?
Which states have West Nile virus?
West Nile virus infections in humans have been reported to CDC ArboNET from the following states: Alabama, Arizona, Arkansas, California, Georgia, Idaho, Illinois, Iowa, Maryland, Nebraska, New York, North Dakota, and Texas.
Which states were most affected by the West Nile virus?
North Dakota and Nebraska saw the highest rates of neuroinvasive disease caused by the virus, while California, Illinois and Nebraska saw the highest numbers of cases in 2018. Roughly 1 in 150 people infected by West Nile virus develop a neuroinvasive disease, and about 10% of them die, according to the CDC.
Where is the West Nile virus most commonly found?
WNV is commonly found in Africa, Europe, the Middle East, North America and West Asia. WNV is maintained in nature in a cycle involving transmission between birds and mosquitoes. Humans, horses and other mammals can be infected.
What states have West Nile mosquitoes?
Arizona, Arkansas, Illinois, Iowa, Massachusetts, New York and Colorado have detected mosquitoes that carry West Nile virus. West Nile virus can potentially paralyze victims. At least four states have reported cases of humans contracting the disease from mosquitoes.
Are there any cases of West Nile virus in North America?
Since the first North American cases in 1999, the virus has been reported throughout the United States, Canada, Mexico, the Caribbean, and Central America. There have been human cases and equine cases, and many birds are infected.
How can we prevent the spread of the West Nile virus?
Effective prevention of human WNV infections depends on the development of comprehensive, integrated mosquito surveillance and control programmes in areas where the virus occurs. Studies should identify local mosquito species that play a role in WNV transmission, including those that might serve as a “bridge” from birds to human beings.
How is the West Nile virus related to Japanese encephalitis?
The virus is genetically related to the Japanese encephalitis family of viruses. Humans and horses both exhibit disease symptoms from the virus, and symptoms rarely occur in other animals. Identification of the human disease was first made in 1937 in Uganda and in the later half of the 20th century spread to many other parts of the world.
How long do symptoms of West Nile Virus Last?
Most people with this type of West Nile virus disease recover completely, but fatigue and weakness can last for weeks or months. Serious symptoms in a few people.
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