<prompt> All of the following are true about the Herd Immunity for infectious diseases except :It refers to group protection beyond what is afforded by the protection of immunized individualsIt is likely to be more for infections that do not have a sub-clinical phaseIt is affected by the presence and distribution of alternative animal hostsIn the case of tetanus it does not protect the individual  <response>: Occurrence of clinical and subclinical infection in a community is responsible for herd immunity. Herd immunity is more for infections that have a subclinical phase. Ref: Parks Textbook Of Preventive And Social Medicine By K. Park, 19th Edition, Page 96; Parks Textbook Of Preventive And Social Medicine By K. Park, 18th Edition, Page 95 