WATCH LIVE The Biden administration has extended the Covid-19 public health emergency until April as a highly transmissible omicron subvariant stokes concern that the U.S. may face another wave of hospitalizations from the disease this winter. “The COVID-19 Public Health Emergency remains in effect, and […]

The omicron XBB.1.5 subvariant does not have any mutations known to make people sicker when they catch the virus, according to a World Health Organization risk assessment published Wednesday. But the WHO noted in the report that it doesn’t have any real-world data on how […]