The Delta variant surging across the U.S. appears to spread as easily as chickenpox, and may be more transmissible than Ebola and smallpox, according to an internal CDC document published by the ...

Doctors say the Delta variant could create clusters of new coronavirus cases after the holiday weekend. SAN FRANCISCO (KGO) -- Last summer there was a surge in COVID cases.

Early research has found no clear difference in the symptom profile of the delta and omicron variants, according to scientists with the ZOE COVID study, which analyses thousands of Covid symptoms ...

According to research conducted by Brazilian scientists, high glucose levels may serve as a biomarker indicating a worse ...

Poison control data show thousands of exposures to Delta-8 alone. Symptoms range from confusion, agitation, and vomiting to seizures and coma, particularly among children.