herd immunity
noun[U]
uk/ˌhɜːd ɪˈmjuː.nə.ti/us/ˌhɜ˞ːd ɪˈmjuː.nə.t̬i/asituationin which adiseasecannotspreadthrough agroupofpeoplebecause enough of them areimmune(=unableto get adisease), usually because of having beenvaccinated(= given aninjection):
群体免疫Healthofficialsworrythatherdimmunitywill bethreatenedas moreparentschoosenot tovaccinate.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。
Withherdimmunity, there aren't enough susceptibles in thepopulationtosustainanepidemic.有了群体免疫，人口中就没有足够的易感者来维持流行病。
- Onereasonwhyimmunizationworksis theherdimmunityit gives.
- Wevaccinatethemasses,causingherdimmunity, toprotecttherelativelyfew who wouldotherwisebecomeillandsufferdevastatingconsequences.
- Herdimmunityoccurswhen enoughpeoplein apopulationareimmunizedagainst adiseaseso that it alsoprotectsthe unvaccinated.
Immunology & vaccination
- active immunity
- anti-vax
- antibody
- antigen
- antigenic
- antiserum
- antivaxxer
- gamma globulin
- immune response
- immunity
- immunization
- immunocompromised
- immunology
- immunosuppressed
- inoculate
- inoculation
- jag
- vaccinate
- vaccination
- vax