Hundreds of cases of COVID-19 variants first seen in the United Kingdom have been found in Georgia. Additionally, the state has confirmed variants from South Africa and Brazil.
For low- and middle-income countries, just obtaining doses has been a challenge. And now concerns are being raised about the effectiveness of the more affordable AstraZeneca option.
A small study in South Africa has raised concerns about the effectiveness of the AstraZeneca vaccine, particularly in fighting virus variants.