vaccineswork: How vaccines work for a communityEver wondered why people talk about immunisation as being important for a community, as well as for an individual? The effect in question is called herd immunity, and it means that when a group is mostly

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vaccineswork: How vaccines work for a communityEver wondered why people talk about immunisation as being important for a community, as well as for an individual? The effect in question is called herd immunity, and it means that when a group is mostly

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