SAN FRANCISCO -- With the Delta variant and breakthrough cases of COVID-19 reported, some vaccinated people are wondering when, if at all, they should get tested. Health officials say there are at ...

NEW YORK -- This holiday season held promise for Americans, many of whom spent Christmas 2020 in quarantine or away from loved ones due to a nasty winter COVID-19 surge. Yet in the last week or so, ...

The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...

The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...

TOPEKA – With the increased presence of the Delta variant in the region, local health departments, providers, and community groups are continuing to hold free COVID-19 vaccine and testing clinics.

July 22 (Reuters) - U.S. laboratory Quest Diagnostics Inc (DGX.N), opens new tab said on Thursday demand for COVID-19 testing had increased since the end of June as the more infectious Delta variant ...

The Delta variant, also referred to as a "double mutant" because it carries two mutations, is 55 per cent more transmissible ...