Pfizer, AstraZeneca Covid-19 vaccines protect against Delta variant: Lancet study
LONDON: The Delta variant of coronavirus, first identified in India, doubles the risk of hospitalisation compared with the Alpha variant...
LONDON: The Delta variant of coronavirus, first identified in India, doubles the risk of hospitalisation compared with the Alpha variant...
NEW DELHI: India saw a single day rise of 60,471 new coronavirus infections, the lowest after 75 days, taking the...