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Biotech / Medical : SARS and Avian Flu

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To: Henry Niman who wrote (934)8/21/2003 12:06:40 PM
From: chomolungma  Read Replies (1) of 4232
 
However, the epidemic suddenly stopped, which is why I think there are seasonal factors. Flu pretty much disappears in the summer, but each fall it starts slow and then peaks in the winter, only to decline again in the spring.

Does the lack of flu in the summer mean there isn't any summer infection or is it because it's milder and not noticed in the summer? Are there examples of other viruses producing milder symptoms in the summer, thereby spreading through the population unnoticed, only to emerge when the seasons change?
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