The South African mutant is more infectious than the original COVID-19 and concerns are growing that it might not be blocked by existing jabs.
The South African mutant is more infectious than the original COVID-19 and concerns are growing that it might not be blocked by existing jabs.
Former FDA commissioner Dr. Scott Gottlieb said inoculations "should be a backstop" against a new coronavirus variant initially..
An experimental Covid-19 vaccine appears to offer strong protection in late-stage UK and South Africa studies, said manufacturer..