Will soon be taking the Ty21a attenuated live typhoid vaccine? - typhoid vaccine attenuated
How should I be concerned about the secondary mutations that could restore the virulence? Moreover, the degree of concern should be that I could make a carrier?
Tuesday, February 23, 2010
Typhoid Vaccine Attenuated Will Soon Be Taking The Ty21a Attenuated Live Typhoid Vaccine?
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