Definition of herd immunity in English:

herd immunity

Translate herd immunity into Spanish


  • 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.

    ‘the level of vaccination needed to achieve herd immunity varies by disease but ranges from 83 to 94 percent’
    • ‘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.’
    • ‘This group may also have reduced herd immunity and generally produce lower quantity and quality of colostrum, resulting in greater risk of disease and potentially reduced production in their offspring.’
    • ‘Uncertainty about the level of herd immunity generated by vaccination programmes limits modelling of the potential benefits of booster vaccination.’
    • ‘One correctly pointed out that if universal smallpox vaccination were offered, those who couldn't be immunized would be protected by herd immunity.’
    • ‘Thus herd effect is a reflection of both herd immunity and the inhibitory effect of vaccine-induced immunity on the shedding of the pathogen necessary for new infections to occur.’
    • ‘Of course, the issue of herd immunity is further complicated by the amount of cross protection afforded by commercial vaccines, as no vaccine will contain every strain or every possible antigen.’
    • ‘The level of vaccination needed to achieve herd immunity varies by disease but ranges from 83 to 94%.’
    • ‘Because of the herd immunity that exists because of mass vaccination, the unvaccinated are also protected.’