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词汇 herd-immunity
释义 herd immunity
noun[ U ]
uk /ˌhɜːd ɪˈmjuː.nə.ti/ us /ˌhɜ˞ːd ɪˈmjuː.nə.t̬i/
a situation in which a disease cannot spread through a group of people because enough of them are immune(= unable to get a disease), usually because of having been vaccinated (= given an injection): 群体免疫
Health officials worry that herd immunity will be threatened as more parents choose not to vaccinate.卫生官员担心,随着越来越多的父母选择不接种疫苗,群体免疫力将受到威胁。
With herd immunity, there aren't enough susceptibles in the population to sustain an epidemic.有了群体免疫,人口中就没有足够的易感者来维持流行病。
One reason why immunization works is the herd immunity it gives.
We vaccinate the masses, causing herd immunity, to protect the relatively few who would otherwise become ill and suffer devastating consequences.
Herd immunity occurs when enough people in a population are immunized against a disease so that it also protects the unvaccinated.
SMART Vocabulary: related words and phrases

Immunology & vaccination
active immunity
ANA
anti-vax
antibody
antigen
antigenic
antinuclear antibody
electroporation
immune response
immunity
immunization
immunocompromised
immunosuppressed
inoculation
lymph
unimmunized
uninoculated
unvaccinated
vaccinated
vaccination
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