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March 13, 2006

Why is bird flu targeting the young?

Here is a good recent article.  One theory:

"On average, you'll get influenza once every five or 10 years, so kids are less likely to have antibodies from prior exposure," he said. "Adults will have had experiences with different influenza viruses."It still doesn't explain the disproportionate number of people in their 20s and 30s who have succumbed to the disease. One theory is that some people have immunity to the N1 antigen of the bird flu virus developed from the H1N1 Spanish flu. That virus was still circulating in a milder form until 1957 and also re-emerged as a milder strain in 1977.

Posted by dymaxion at March 13, 2006 10:20 PM

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