
January 8, 2021
A study by Pfizer indicates that its COVID-19 vaccine will work against the variants of the virus that have emerged in England and South Africa. (Photo by NIAID, cc-by-sa-2.0, https://bit.ly/3gwRHYQ)
January 8, 2021
A study by Pfizer indicates that its COVID-19 vaccine will work against the variants of the virus that have emerged in England and South Africa. (Photo by NIAID, cc-by-sa-2.0, https://bit.ly/3gwRHYQ)