BF.7 is a new version of the coronavirus SARS-CoV-2 that's driving a surge of infection in China. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Panel A shows spike protein sequences for the omicron BA.2, BA.2.75.2, XBB.1, BA.5, BF.7, and BQ.1.1 subvariants; mutations as compared with the WA1/2020 spike protein are shown. Mutations as compared ...

It’s that time of year: a thick, oppressive heat blankets everything, people huddle inside air-conditioned homes, offices, shops and cafes for respite—and COVID is surging again. Levels of SARS-CoV-2, ...

Since the SARS-CoV-2 pandemic began three years ago, its origin has been a topic of much scientific — and political — debate. Two main theories exist: The virus spilled over from an animal into people ...

For millions of people living with long COVID, symptoms like shortness of breath, mental fog, and deep fatigue continue long ...

Research on SARS-CoV-2 in zoo tigers, lions, and hyenas shows rapid viral evolution and adaptation, offering insights into cross-species transmission dynamics.