- 1、Asymptomaticcarriersareanessentialelementofmanydiseases—TyphoidMarybeingagoodexample.2、YetanyinsecurePCcanharmeveryone,becauseallarevulnerabletooneTyphoidMary....
- 4894
- 1、immunityagainsttyphoid2、Anoutbreakoftyphoidfollowed.3、Iwassickonce-typhoid.4、Theystillgetcasesoftyphoidthere.5、Heisverylowwithtyphoid.6、typhoid-paratyphoidAandBvaccine7、Acultureoftyphoidbacilli,usedtotestforthepresenceoftyphoidfever.8、Objec...
- 20204