Mumbai, May 28 (PTI): For the first time in Maharashtra, four patients of B.A.4 sub-lineage and three cases of B.A.5 sub-lineage of the Omicron variant...

Washington, May 20 (PTI): A Covid-19 booster dose will provide strong and broad antibody protection against Omicron sublineage variants of the SARS-CoV-2 virus, two new...

Los Angeles, May 19 (PTI): Infection with the Omicron variant of SARS-CoV-2 provides little long-term immunity against other variants in unvaccinated people, according to a...

Washington, May 5 (PTI): Omicron may be intrinsically as severe as previous coronavirus variants, according to a US study which contradicts assumptions that the strain...

Washington, April 18 (PTI): Omicron is more likely than other coronavirus variants to cause upper airway infection (UAI) among children, putting them at risk of...

Johannesburg, April 12 (PTI): South African scientists have detected two new sublineages of the Omicron variant of SARS-CoV-2, the virus that causes Covid-19. According to...

Mumbai, April 6 (PTI): The first case of XE, a more transmissible Covid-19 variant, was detected in Mumbai on Wednesday, a civic health official said....

London, April 5 (PTI): A new Covid-19 variant called XE has been found in the UK, which is a mutation of strains of the Omicron...

New York, Feb. 11 (IANS): T cell responses are still robust against the variant in most individuals with prior SARS-CoV-2 infection or vaccination, despite low...

New Delhi, Jan. 31 (PTI): “Far more dangerous than Omicron is ‘O Mitron’,” senior Congress leader Shashi Tharoor said on Monday in an apparent swipe...