As Virus Variants Spread, ‘No One Is Safe Until Everyone Is Safe’

Rich countries are buying up coronavirus vaccines, leaving poorer regions vulnerable — and as potential breeding grounds for variants, like one found in South Africa, that could make vaccines less effective.

As Virus Variants Spread, ‘No One Is Safe Until Everyone Is Safe’
Rich countries are buying up coronavirus vaccines, leaving poorer regions vulnerable — and as potential breeding grounds for variants, like one found in South Africa, that could make vaccines less effective.