ArticleThe Lancet. Infectious diseases2022

Effectiveness of ChAdOx1 nCoV-19 vaccine against SARS-CoV-2 infection during the delta (B.1.617.2) variant surge in India: a test-negative, case-control study and a mechanistic study of post-vaccination immune responses.

Ramachandran Thiruvengadam et al.PubMed ↗Full text ↗Publisher ↗

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