Article

Immunisation, asymptomatic infection, herd immunity and the new variants of COVID 19

2021-01-20

Abstract excerpt

<h4>Objectives</h4> Is “herd immunity” to COVID-19 a realistic outcome of any immunisation programme with the two main vaccines currently licenced in the UK (Pfizer vaccine BNT162b2 and Astra Zeneca/Oxford vaccine ChAdOx1-S)? More formally, can these vaccines achieve a sufficient level of population immunity to reduce R, the reproduction number of the infection, to below one in the absence of any non-pharmaceutica...

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Literature Corpus work: bfde2af0-9c9b-56ae-94b8-651d437a6443
DOI: 10.1101/2021.01.16.21249946

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