variants

The Novavax COVID-19 vaccine works, but not so much against variants

Using a second mask? What to know when facing more contagious COVID variants.

South Africa Covid discovered in South Carolina: ‘We are in a race against variants’

How many variants of the coronavirus are there?

The US is in a ‘race against time’ with new variants of the coronavirus, warn scientists

Can the United States control Covid variants? Here’s what is needed.

Pfizer Covid-19 vaccine works against mutations found in the UK, South Africa variants, laboratory study results

Dr. Fauci says that Covid vaccines can be easily adapted to new variants, drug manufacturers working on reinforcements

Rapidly spreading coronavirus variants raise concerns

Pfizer and Moderna attempting 3rd dose booster shots to combat virus variants

New variant of Covid and children: the CDC does not know whether the variants cause rare complications in children

Covid-19 statistics are falling, as variants hide and vaccines lag behind