The U.S. is steadily increasing the number of people vaccinated while new, more contagious variants are increasing pressure to move faster. In South Africa, health officials stopped distributing the AstraZeneca-Oxford vaccine because it appears to be less effective against a new COVID-19 variant found in that country.
Here & Now‘s Callum Borchers speaks with Dr. Tom Inglesby, director of the Center for Health Security of the Johns Hopkins Bloomberg School of Public Health.
This article was originally published on WBUR.org.
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