Most people bitten by a mosquito carrying the virus don't show any symptoms. Blood tests turn up such infections, often when people go to donate blood. About 10 percent develop West Nile fever, and fewer than 1 percent come down with a neuroinvasive ... DHH: La could have record low year for West Nile
2011年8月24日星期三
DHH: La could have record low year for West Nile
Most people bitten by a mosquito carrying the virus don't show any symptoms. Blood tests turn up such infections, often when people go to donate blood. About 10 percent develop West Nile fever, and fewer than 1 percent come down with a neuroinvasive ... DHH: La could have record low year for West Nile
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