Resistance to the spread of an infectious disease within a population that is based on pre-existing immunity of a high proportion of individuals as a result of previous infection or vaccination.

]]>https://definedictionarymeaning.com/topic/214258/herdimmunityRSS for NodeTue, 28 Jul 2026 03:19:52 GMTSun, 09 May 2021 13:44:16 GMT60