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| Youth beat swine of an illness http://www.bbfans.co.uk/viewtopic.php?f=52&t=41206 |
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| Author: | JimD [ 07 Dec 10, 0:38 ] |
| Post subject: | Youth beat swine of an illness |
THE mystery of why swine flu killed many victims in the prime of life has been solved. Normally the very old and young are most vulnerable to flu. But scientists believe the elderly were protected by having met a similar virus in their youth and mounted an effective immune response. Those in their 20s to 50s were too young to have encountered that helpful virus and the body's memory of other flu bugs triggered a dangerous antibody reaction. HeraldSun |
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