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SARS-CoV-2 Delta variant - Wikipedia
Coronavirus: How India is doing now after delta variant spread
Why India was so vulnerable to Covid-19 and the delta variant
How the coronavirus Delta variant rampaged through India …
How Delta Variant Spread in India: Deadly Errors, Inaction, Covid ...
Covid Indian variant: Where is it, how does it spread and is it ... - BBC
Effectiveness of Covid-19 Vaccines against the B.1.617.2 (Delta) Variant
COVID-19 Delta Variant: Risk and Vaccine Efficacy - Verywell Health
Delta plus India: Scientists say too early to tell risk of Covid-19 variant
Delta plus variant: Can India prevent third Covid wave? - BBC