ISSN: 2161-1025
Department of Health, Government of Bihar, Bihar, India
Review Article
Herd Immunity and Covid-19 Vaccines- A Brief Discussion
Author(s): Piyush Kumar* and Anupama
The Herd immunity is very hot topic during this COVID-19 pandemic era for discussion among scientific
community and researchers as well as peoples around the globe. Usually in common term it refers to a herd or group
of people or a proportion of population immune to COVID-19 infection among individuals in a population. In
other way researcher describe it as the threshold proportion of immune individuals (due to natural immunity or
conferred through vaccination) in a population required to decline COVID-19 incidence of infection. Some
researchers describe it as a pattern of immunity required to protect a population from invasion of a new infection. In
simple words we can say that the chance of infection among susceptible individuals in a population is decreased by
the presence and availability of more and more immune individuals which is referred as indirect protec.. View More»
DOI:
10.35248/2161-1025.23.13.281