English Herd immunity Cited by user Dr Curat on 07 Jul 2017 Herd immunity (also called herd effect, community immunity, population immunity, or social immunity) is a form of indirect protection from infectious disease that occurs…
English Herd immunity Cited by user ComfyKem on 13 Mar 2015 Herd immunity (also called herd effect, community immunity, population immunity, or social immunity) is a form of indirect protection from infectious disease that occurs…