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Biotech / Medical : SARS and Avian Flu
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To: Torben Noerup Nielsen who wrote (791)5/12/2003 9:39:27 AM
From: Biomaven  Read Replies (1) of 4232
 
Torben,

My belief is that the adaptive immune response kicks in too late to be of much use against a particular rhinovirus infection, but you do get 1-2 years of immunity against that particular strain. (The immunity is not life-long because it is primarily IgA based which degrades over months, not years).

Here's a typical discussion:

The primary infection results in IgA in nasal secretions and IgG in the bloodstream. Since these viruses do not enter the circulation, the mucosal IgA response is the most important. This leads to immunity and resolution of the disease although the levels of nasal IgA are rapidly reduced. Immunity against a particular serotype may last 1 to 2 years but as noted above there are many serotypes against which protection is not gained.

med.sc.edu:85/virol/rhino.htm

Peter
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