CDC/NIH Web Information Database
CDC/NIH Web Information |
---|
West Nile Virus
CDC, August 2018 ![]() |
CDC Information: How many people get sick with West Nile virus?
![]() |
CDC Information: West Nile virus is most commonly transmitted to humans by mosquitoes.
About 1 in 5 people who are infected will develop a fever. Less than 1% of infected people develop a serious illness ![]() |