PHILADELPHIA -- Americans face at least two weeks of uncertainty before major questions may get answered about the omicron variant of the coronavirus. Health experts urge the public to be cautious and ...

WASHINGTON, D.C. — President Joe Biden laid out what his administration is doing to combat the emergence of the omicron variant and he encouraged the American people to get vaccinated against COVID-19 ...

The coronavirus variant was first identified in South Africa last week and led to a surge in cases in the southern part of the continent. a small number of cases of the seemingly more contagious ...

SAN FRANCISCO -- Preliminary data out of South Africa is giving the world insight into how strong omicron really is. The South African Medical Research Council just reported this variant may cause ...

As evidence mounts that the omicron variant is less deadly than prior COVID-19 strains, one oft-cited explanation is that viruses always evolve to become less virulent over time. The problem, experts ...

For nearly two years, day after day, under exhausting and often dangerous conditions, health care workers across the country have continued to care for the nation's sickest Americans who have fallen ...

WASHINGTON -- While the new omicron variant of the COVID-19 virus has not yet been detected in the United States, it will "inevitably" arrive, Dr. Anthony Fauci said Sunday. "We all know when you have ...

NEW YORK -- What are the symptoms of omicron? Health experts still don't know if the new variant is causing milder COVID-19, but more indicators are emerging. The World Health Organization's top ...

Its official name is BA.3.2, but it’s earned the nickname "cicada" because, analogous to the insect’s pattern, it first appeared back in 2024, went dormant for a while, and resurfaced in the U.S. late ...