The mosquito-bourne West Nile Virus, confirmed last week in Jackson County, has
now spread to 34 states. The virus has become a permanent threat, but no one
knows how serious the disease could affect people, although there have been 161
validated cases and 18 deaths across the country.
The disease is spread by mosquito bites from nearby "mud" puddles, stagnant ponds
or other breeding places.
USGS
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