https://www.cureus.com/articles/114827-sars-cov-2-mutations-responsible-for-immune-evasion-leading-to-breakthrough-infection
Background and objectives: India had faced a devastating second outbreak of COVID-19 infection, in which a majority of the viral sequences were found to be of the B.1.617.2 lineage (Delta-variant). While India and the world focused on vaccination, reports of …
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