While scientists and experts are still working to find answers to many unanswered questions surrounding the new omicron COVID variant, some doctors in South Africa who have treated cases said the ...

With the Delta variant now driving surges of COVID-19 cases worldwide, researchers are examining whether it's causing different symptoms from earlier variants and how it's experienced by vaccinated ...

The Delta coronavirus variant is now responsible for more than 83% of COVID-19 cases in the country, according to the Centers for Disease Control and Prevention (CDC)—a rapid spike compared to early ...

The delta variant, which is more contagious than previous strains of COVID-19, has spread across the United States. The Centers for Disease Control and Prevention (CDC) estimates, as of July 31, the ...

TORONTO (CTV Network) — A new observational study out of the U.K. has found that those who contract the Omicron variant of COVID-19 experience different symptoms that are usually less severe and last ...

Fully vaccinated people are most often protected against COVID-19 severe illness and hospitalization. There is still a small chance a fully vaccinated person can get a breakthrough infection and test ...

UPDATE: On August 27, a circuit court judge in Tallahassee has overturned Gov. DeSantis' ban on mask mandates in schools, ruling that the governor overreached his authority, misinterpreted state law ...

The Delta variant shares some characteristics with the original variant of the COVID-19 virus, but it also differs in the types of symptoms. Centers for Disease Control and Prevention (CDC) director ...

Have symptoms of COVID-19 changed given that the delta variant is currently the most common form of the virus in the United States? There is little data on this question and much left to untangle.