SAN FRANCISCO (KGO) -- A surge in coronavirus cases has been reported in the Bay Area and across California as well as the country due in part to the emergence of the highly-contagious delta variant.

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 ...

A blue gloved hand in the lab holding tubes of blood identified with the label COVID-19 New Variant. The COVID-19 pandemic was the third leading cause of death globally in 2020 and the second in 2021, ...

Differing strains of the coronavirus continue to appear around the world and a new COVID-19 variant, the so-called "Delta" variant, has health experts concerned. The variant, otherwise known as B.1617 ...

The delta variant of SARS-CoV-2, the virus that causes COVID-19, has been making headlines as it has quickly become the most prevalent strain in America. But other variants of the virus are still out ...

The variant of the SARS-CoV-2 virus called delta continues to spread rapidly across many parts of the world. What do we know about this variant so far? Share on Pinterest What do scientists know about ...