Brazil Covid: Deaths plunge after town's adults vaccinated
An experiment in Brazil suggests the pandemic can be controlled after 75% of people are fully dosed.
from BBC News - World https://ift.tt/3pkHeVz
https://ift.tt/3pkHeVz
from BBC News - World https://ift.tt/3pkHeVz
https://ift.tt/3pkHeVz
No comments