A new season, a new threat.
Fresh off a winter filled with concern for H1N1 or Swine Flu, spring brings Illinoisans worry over the West Nile Virus.
Humans get the virus through the bite of a mosquito that has picked it up by feeding on an infected bird.
Public Health Director Damon Arnold says Illinois residents will be at increased risk of West Nile as the temperatures get warmer and mosquitoes become more active. Only about two people in 10 who are bitten by an infected mosquito will experience any illness. Symptoms can be mild or serious.
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