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2055 Social & Preventive Medicine

All of the following are true about the Herd immunity for infectious diseases except –

AIt refers to group protection beyond what is aforded by the protection of immunized individuals
BIt is likely to be more for infections that do not have a sub-clinical phase (Correct Answer)
CIt is affected by the presence and distribution of alternative animal hosts
DIn the case of tetanus it does not protect the individual