Definition of herd immunity in English:
The resistance to the spread of a contagious disease within a population that results if a sufficiently high proportion of individuals are immune to the disease, especially through vaccination: the level of vaccination needed to achieve herd immunity varies by disease but ranges from 83 to 94 percent
More example sentences
- The goal of measles control is to raise population immunity above herd immunity threshold and eventually to interrupt indigenous virus transmission.
- The goal is herd immunity, where the proportion of people susceptible to infection in a physically interacting population is so low that transmission of infection is unlikely.
- As adolescents are the only group in which carriage rates have been studied, these data provide more robust evidence of herd immunity across the whole population.
Definition of herd immunity in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Australia
Most popular in Malaysia
Most popular in Pakistan