Herd immunity may theoretically reduce the incidence of infection, but those who do get sick are at risk of a much more severe illness than in previous generations.

PMID: 

Lancet Infect Dis. 2015 Aug ;15(8):868-9. Epub 2015 May 14. PMID: 25981884

Abstract Title: 

Herd immunity and the herd severity effect.

Abstract: 

[n/a]

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Published by Taylor Mercado

Health Time is a blog talking about alternative medicines. And a blog founded by Taylor Mercado. She is a biologist and also a herbalist. This blog will help you and giving you tips regarding with herbal medicines.

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