variants

More resistant coronavirus peak protein explains the faster spread of COVID variants from the UK, South Africa and Brazil

March 20 update on COVID-19 in MN: ‘A race between variants and the vaccine’

Colorado officials say two variants of the COVID-19 are on the rise

No virus variant can escape all types of antibodies, so far; new variants can infect mice

The race between variants and vaccines is heating up. Can the Bay Area move forward?

Johnson & Johnson working on vaccines for COVID-19 variants

AstraZeneca, Pfizer COVID-19 vaccines effective against variants, study shows by University of Oxford

Variants of viruses considered more deadly, more contagious; some may thwart vaccines

CDC IDs new COVID-19 variants worrying as hot spots reappear

Variants of viruses considered more deadly, more contagious; some may thwart vaccines

Variants of viruses considered more deadly, more contagious; some may thwart vaccines

Variants of viruses considered more deadly, more contagious; some may thwart vaccines