The US Centers for Disease Control and Prevention warns that the Omicron coronavirus variant could drive Covid-19 cases higher than ever before, according to modeling posted on the agency's website ...

For the second consecutive week, the number of new reported COVID-19 cases and hospitalizations in Iowa declined, according to data released Wednesday by the Iowa Department of Public Health, ...

The relatively new COVID-19 omicron subvariant XBB.1.5 "is the most easily transmissible subvariant so far," Dr. Marc Siegel, a Fox News medical contributor, told Fox News Digital this week. That is ...

LONDON — As more cases of the new omicron Covid variant emerge around the world, experts say it's likely that the variant, first identified in South Africa last week, had already been circulating for ...

Sign up for The Brief, our daily newsletter that keeps readers up to speed on the most essential Texas news. Texas has identified its first case of the omicron COVID ...

The Omicron variant has now been detected in at least five states, after multiple states announced their first cases of the strain on Thursday night. At least 10 total cases have now been reported in ...

Cases and controls were matched one-to-five according to sex, 10-year age group, nationality, number of coexisting medical conditions, calendar week of testing, method of testing (polymerase chain ...