Omicron variant

San Francisco : The human body's immunity to Covid-19 appears to gather strength with more time between vaccination and infection, a new study has shown. According to US-based Oregon Health & Science University (OHSU) study, it…

Beijing : Chinas health authorities have said the Covid-19 wave is past its peak, with rapid decline in both severe cases and deaths in hospitals, but experts remain wary of the governments official data, the media reported. According to…

San Francisco : Researchers are working on a Covid-19 vaccine that people may drink instead of receiving with a needle, expanding their focus onto mucosal vaccines, which include nasal vaccines as well as "swish and swallow" oral vaccines.…

Toronto : People with hybrid immunity are the most protected against severe illness and reinfection, a new study has found. Results from global data show vaccination and a prior Covid-19 infection offer the best defence against severe…

Los Angeles : New Omicron subvariant XBB.1.5 is estimated to account for 49.1 per cent of the Covid-19 cases in the US for the week ending January 21, according to data released by the US Centers for Disease Control and Prevention (CDC).…

Los Angeles : Nearly 26,000 child Covid-19 cases were reported in the US in the week ending January 12, according to the latest report by the American Academy of Pediatrics (AAP) and the Children's Hospital Association. This is a…

San Francisco : Pregnant women with Covid-19 infection face a seven times increased risk of dying and a significantly elevated risk of being admitted to an intensive care unit or suffering from pneumonia, a new study has shown. According…

Beijing : China has reported declining numbers of fever patients and critical COVID cases nationwide as both peaks have passed less than a month after the country optimized its epidemic response in early December. The country's health…

China : Some 900 million people in China have been infected with coronavirus as of January 11, according to a study by Peking University, media reports said. The report estimates that 64 per cent of the country's population has the virus,…

Washington : The new Omicron subvariant XBB.1.5 is spreading quickly in the US, and is estimated to account for nearly 30 per cent of Covid-19 cases in the week ending January 7, according to the latest data from the Centers for Disease…