
science
COVID-19 jargon: Variant, strain and mutation of SARS-CoV-2 all mean different things
Scientists are keenly watching for SARS-CoV-2 variants to understand how genetic changes to the virus impact its infectiousness.

science
SARS-CoV-2 virus may not 'go away', could evolve into minor annoyance like routine cold: Experts
It's not clear yet how future mutations in SARS-CoV-2 will shape the trajectory of the current disease.

science
New COVID-19 challenge: Mutations on the rise, threat of new variants can grow with vaccination delays
Health officials also worry that if the virus changes enough, people might get COVID-19 a second time.