SAN JOSE, Calif. (KGO) -- As long as there is on-going COVID-19 transmission somewhere in the world, there will be new variants. That's according to infectious disease expert, Dr. Jorge Salinas with ...

SAN FRANCISCO (KGO) -- The R1 variant is the new strain of COVID-19 researchers are keeping a close eye on. The CDC identified "multiple spike protein mutations" in this variant. "The R.1 variant does ...

As the respiratory illness season begins, COVID cases have remained relatively under control in the United States into the beginning of fall. While the United States by and large is experiencing ...

You likely don’t associate summertime with coughing, chills and sneezing, but COVID-19 has changed that reality. Research shows that COVID tends to spike twice annually — once in the winter and once ...

The summer surge of COVID-19 is here, with data from the Centers for Disease Control and Prevention showing increases across much of the country. In its latest report, the CDC said the number of cases ...

New COVID-19 variant XFG has firmly positioned itself as the predominant strain in the United States as cases continue to crop up nationwide. Some regions of the U.S. are experiencing higher rates of ...

With fall, and by extension, respiratory illness season, underway, COVID-19 cases have continued to fluctuate nationwide. Some regions of the United States are experiencing "very high" and "high" ...

Toward the end of the summer and the start of the school year, COVID-19 cases were high across the country, with lots of people dealing with fatigue, congestion, headache, sore throat and other ...

There’s still time to protect yourself against the circulating influenza A strain. Cases are rising across the commonwealth, ...