contagious

Highly contagious COVID strain, disseminated unknowingly in 15 countries – study

CDC reverses director’s declaration that vaccinated people are no longer contagious

First known cases of extremely contagious fatal disease found in Idaho rabbits

NJ now tracks 7 COVID variants with almost 500 total cases led by the UK’s most contagious strain

Supercomputer analysis reveals why coronavirus variants in the UK and South Africa are more contagious and deadly

COVID-19: First case of highly contagious Brazilian strain confirmed in NY

A more contagious variant of the coronavirus is spreading across the United States. But vaccines must work against that.

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

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

Variants of COVID SCIENCE-Virus considered more deadly, more contagious; some may thwart vaccines