It is not unusual for mosquito-borne viruses like West Nile to spread quickly and peak, only to become less prevalent, although still maintaining its presence in an area, Papineau said. "When a disease like that is new to an area, it can reach an ... West Nile virus outbreak called unlikely
2011年8月17日星期三
West Nile virus outbreak called unlikely
It is not unusual for mosquito-borne viruses like West Nile to spread quickly and peak, only to become less prevalent, although still maintaining its presence in an area, Papineau said. "When a disease like that is new to an area, it can reach an ... West Nile virus outbreak called unlikely
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