How does herd immunity work?
Автор: Oxford VaccineGroup
Загружено: 8 нояб. 2018 г.
Просмотров: 156 097 просмотров
‘Herd immunity’ or 'herd protection' gives protection to vulnerable people such as newborn babies, elderly people and those who are too sick to be vaccinated. This animation explains how it works. For more information, see http://vk.ovg.ox.ac.uk/herd-immunity

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