Protective effect conferred by prior infection and vaccination on COVID-19 in a healthcare worker cohort in South India.

Malathi MurugesanPrasad MathewsHema PaulRajiv KarthikJoy John MammenPriscilla Rupali

Published in: PloS one (2022)

Prior infection provided substantial protection against symptomatic re-infection and severe disease during a delta variant driven second wave in a cohort of health care workers.

Keyphrases

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sars cov
early onset
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