amit Posted December 5, 2007 Posted December 5, 2007 we develope immunity to chikenpox etc just after first brish up but why cant same happens with common cold:cool:
John Cuthber Posted December 5, 2007 Posted December 5, 2007 Mainly because the cold virus keeps changing and so each time we meet it our imune system needs to lern about the new version so it can destroy it.
rakuenso Posted December 6, 2007 Posted December 6, 2007 chicken pox wasn't able to mutate as rapidly as the common cold virus.
amit Posted December 6, 2007 Author Posted December 6, 2007 means each time we are attacked by an updated version of virus?
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