5 things we know and still don't know about COVID, 5 years after it appeared Five years after the virus that causes COVID emerged in China it still holds some mysteries The Independent UK · Jan 2, 2025
Dominant coronavirus mutant contains ghost of pandemic past The coronavirus mutant that is now dominant in the United States spreads faster than its omicron predecessors, is adept at escaping immunity and might possibly cause more serious disease The Independent UK · May 26, 2022
EXPLAINER: BA.2 variant takes over. What's known about it? An extra-contagious version of the coronavirus has taken over the world The Independent UK · Apr 8, 2022
EXPLAINER: What's known about 'stealth' version of omicron? Scientists say the omicron descendant gaining ground in some parts of the world may be 1 1/2 times more contagious than the original omicron variant The Independent UK · Jan 28, 2022
EXPLAINER: What's known about 'stealth' version of omicron? Scientists and health officials are keeping their eyes on a descendant of the omicron variant that has been found in at least 40 countries The Independent UK · Jan 25, 2022