Which of the following vaccines is currently used as a live attenuated vaccine in routine immunization programs?
AMeasles
BInactivated Polio Vaccine (IPV)
CSmallpox
DCholera
Mass vaccination is ineffective in inducing 'herd immunity' for:
APoliomyelitis
BTetanus
CNone of the options
DMeasles
Which of the following vaccines is classified as a killed vaccine?
AVaricella
BBCG
COPV
DMeningococcal vaccine
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