LONDON — A newly-discovered mutation of the delta variant is being investigated in the U.K. amid worries that it could make the virus even more transmissible and undermine Covid-19 vaccines further.

A gene variant tied to more severe MS disability may also correlate with poor cognitive performance in healthy adults, per a ...

A previously circulating coronavirus variant has once again become significant in several countries, prompting researchers to ...

A variant of the bird flu virus, collected in 2016 and no longer in circulation, was just one mutation away from being able to bind to human receptors. This finding underscores that certain bird flu ...

The World Health Organization and the Centers for Disease Control and Prevention have both designated beta as a “variant of ...

In Mizoram four cases of Delta variant (B.1.617.2) of Covid-19 were reported. A senior official in Mizoram who did not want ...

Mutations that accumulate in blood cells with age and raise the risk of leukemia and lymphoma can also colonize the brain’s ...

Scientists have used whole genome sequencing data from Norwegian infants to identify a genetic variant that almost totally prevents jaundice in one in eight newborns. This data may also open up better ...

SAN FRANCISCO -- Preliminary data out of South Africa is giving the world insight into how strong omicron really is. The South African Medical Research Council just reported this variant may cause ...