Ian A. York iayork at panix.com
Thu Mar 14 10:13:45 EST 1996

In article <4i7s1q$ssr at newsbf02.news.aol.com>,
JRicklefs <jricklefs at aol.com> wrote:
>What does it take to be immune to a virus? 

I wrote a lay-type thing on this a while back; it's saved at 
>How long does the immunity last?  

Depends on the type of immunity and the virus - there's no general 
answer. Ranges are from weeks to a lifetime.  A reasonable, common length 
of time would be on the order of a year to five years.

>Can you become immune to the Ebola virus?

Probably, but the tests haven't been done in any strict way.  (If the 
test was tried, and you turned out not to be immune after all ...)  Note 
that it's possible to measure correlations with immunity in the test tube 
(i.e. antibody titers and so forth) but for specific viruses you can't be 
sure that these actually do cause immunity in the body.


      Ian York   (iayork at panix.com)  <http://www.panix.com/~iayork/>
      "-but as he was a York, I am rather inclined to suppose him a
       very respectable Man." -Jane Austen, The History of England

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