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 ...

A new COVID variant known as the "XEC variant" is raising questions and capturing the attention of researchers heading into the fall and winter season. The variant has been largely spreading overseas ...

LAS VEGAS, NEVADA -- A California couple says they were fully vaccinated, but still contracted COVID-19 while on vacation as experts say breakthrough cases are possible, especially with the delta ...

MILWAUKEE, Wis. (CBS 58) - Wisconsin has seen a slight uptick in COVID cases since late June. On Friday, state officials said the unvaccinated population is at most risk, and the Delta variant will ...

The proportion was estimated at approximately 3% in late May. A highly contagious variant of the novel coronavirus that was initially identified in India now accounts for about 58% of all COVID-19 ...

COVID is once again on the rise around the Bay Area with the highest levels seen in the region since winter. According to the Department of Health, the Bay Area has a high amount of the virus in its ...