COVID-19 was never just a hit-and-run infection, and the latest science shows why. Even after the active virus is gone, fragments of its genetic material and spike proteins can linger, assemble into ...

Feb 21 (Reuters) - A newly discovered bat coronavirus uses the same cell-surface protein to gain entry into human cells as the SARS-CoV-2 virus that causes COVID-19, raising the possibility that it ...

When a pathogen like a dangerous virus invades the human body, it usually has to enter human cells to cause an illness. Influenza has to latch onto a receptor on the surface of a human cell so it can ...