In Africa, vaccine hesitancy adds to slow rollout of doses
Brazilian regulator denies permission to import Russian COVID vaccine
27 April 2021Serial antigen testing may be an effective strategy for controlling infection during a nursing home SARS-CoV-2 outbreak
27 April 2021In Africa, vaccine hesitancy adds to slow rollout of doses
Some Africans are hesitating to get COVID-19 vaccines amid concerns about their safety, alarming public health officials as some countries start to destroy thousands of doses that expired before use.
