The World Health Organization and the Centers for Disease Control and Prevention have both designated beta as a “variant of ...

The COVID-19 pandemic was the third leading cause of death globally in 2020 and the second in 2021, according to a recent World Health Organization report. The almost 13 million lives lost during ...

One thing we know for sure about SARS-CoV-2, the virus that causes COVID-19, is that it keeps changing. Since the start of the pandemic, we have seen several notable variants, including Alpha, Beta, ...

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 ...

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, ...