New Delhi: The latest subvariant of Omicron XBB.1.16 is one to watch, even as it is fuelling a steady rise in cases in India, according...

New Delhi, Dec. 21 (PTI): Three cases of Omicron subvariant BF.7, apparently the strain driving China’s current surge of Covid cases, have been detected in...

London, Aug. 15 (PTI): The UK has become the first country to approve a so-called bivalent COVID vaccine that targets both the original strain of...

Washington, July 20 (PTI): Scientists in the US have developed a new COVID-19 vaccine that offers superior immune protection against two viral subvariants of Omicron...

New Delhi, June 15 (PTI): The administration of Covaxin as a booster dose enhances vaccine effectiveness against COVID-19’s Delta variant and gives protection against Omicron...