Health officials worry that variants will become the dominant source of infection soon as thousands of cases continue to be reported for other variants found in Britain, South Africa and Brazil. https://ift.tt/3r88Z2J https://ift.tt/3s651sB World New York Times March 19, 2021 at 08:00PMNew York reports its first case of the troubling variant that is dominant in Brazil.

By Christina Morales from NYT World https://ift.tt/3r88Z2J
https://ift.tt/3r88Z2J https://ift.tt/3s651sB New York Times