variants

The adaptation of COVID-19 vaccines effectively keeps it against new variants

Novavax offers the first hopeful vaccine test data to test COVID variants

Novavax offers the first hopeful vaccine test data to test COVID variants

CDC obliges masks for public transportation if more states detect variants – NBC Connecticut

New coronavirus variants triggering ‘second wave’ in Africa, warns WHO

US coronavirus: US can defeat Covid-19 variants with the right tools, says White House adviser

World’s most vaccinated nation struggles with virus variants

New Covid variants are going to ‘hit us pretty hard’, says Dr Peter Hotez

New coronavirus variants are still appearing. Here’s what we know about them

Coronavirus variants: what they do and how to worry

Novavax COVID-19 vaccine works, but less against variants

Do you have a second mask? What to know if we have more contagious COVID variants.