"As these viruses continue to evolve, public health officials watch carefully to see whether new strains will be more easily ...

Confirmed COVID-19 cases are up week-over-week, according to CDC data. Here's what to know the week of Aug. 25.

Add Yahoo as a preferred source to see more of our stories on Google. (NewsNation) — As the weather begins to change and respiratory illnesses become more common, a highly transmissible strain of ...

A new COVID-19 variant sweeping through China has yet to make a sizable footprint in the U.S., the Centers for Disease Control and Prevention (CDC) says. In January, a new COVID-19 variant known as NB ...

Add Yahoo as a preferred source to see more of our stories on Google. COVID test. A stock image of a positive COVID-19 antigen test kit. COVID-19 cases continue to persist as South Carolinians settle ...

The first known meta-analysis of how SARS-CoV-2 variant type and time since infection influence long-COVID symptoms ties Omicron to brain fog and paresthesia (numbness and tingling), while earlier ...

As summer comes to an end, COVID-19 cases are on the rise again in California. While respiratory viruses usually peak in the winter, the novel coronavirus can also surge in the warmer months.

Flu has overtaken covid in infections and hospitalizations during the winter respiratory virus season, and their virulence is ...