Researchers ended a large trial in South Africa after finding that an experimental vaccine offered little protection.
Published: August 31, 2021 at 01:50PM
from NYT Health https://ift.tt/38pIuz1
Researchers ended a large trial in South Africa after finding that an experimental vaccine offered little protection.
Published: August 31, 2021 at 01:50PM
from NYT Health https://ift.tt/38pIuz1