Pfizer

New York : Several scientists have claimed that a Covid variant-specific vaccine is not needed, and that the existing shots are well effective against all variants, including Omicron.However, global vaccine makers have raced ahead to…

Johannesburg : The highly transmissible Omicron variant, which emerged with a host of unusual mutations in late November last year, has been detected in more than 120 countries. Now, scientists are trying to find out how it evolved.The…

New Delhi : Even as reports emerge of a new lethal variant called 'NeoCov' that requires only one mutation to infiltrate human cells, doctors on Saturday advised people not to panic.NeoCoV has been discovered by scientists from the Wuhan…

New Delhi : Abnormalities have been identified in the lungs of long Covid patients that could offer a potential explanation for why some people experience breathlessness long after their initial infection, The Guardian has reported.The…

New Delhi : With the administration of more than 56 lakh vaccine doses in the last 24 hours, India's Covid-19 vaccination coverage on Saturday exceeded 165.04 crore, as per the health ministry report. This has been achieved through…

London : People with even mild Covid infections are likely to have hidden damage to their lungs after an initial bout of illness, a small pilot study in the UK has shown.While earlier long Covid was seen among people with severe Covid, the…

London : The BA.2 sub-variant of Omicron is 1.5 times more transmissible than the original Omicron strain, according to a study led by Danish researchers.Omicron, which is also referred to as B.1.1.529, has three main substrains, BA.1,…

New Delhi : In the last 24 hours, India logged 2,35,532 new Covid cases and 871 deaths, the union Health Ministry said on Saturday.The additional fatalities increased the overall death toll to 4,93,198.Meanwhile, the active caseload has…

New Delhi : Wuhan is back in the news as a team of scientists there have warned of a lethal variant called 'NeoCov' that requires only one mutation to infiltrate human cells and carries the combination of Middle East Respiratory Syndrome…

New York : US researchers have identified four factors that are linked to a person's risk of developing long lasting symptoms post a Covid infection.People with the debilitating condition called long Covid continue to experience symptoms,…