The spread of two newly discovered subvariants has doctors watching closely. https://ift.tt/vsKiFhQ https://ift.tt/hc3zEQ4 World New York Times May 1, 2022 at 08:00PMSouth Africa’s latest surge is a possible preview of the pandemic’s next chapter.

By Alexandra E. Petri from NYT World https://ift.tt/vsKiFhQ
https://ift.tt/vsKiFhQ https://ift.tt/hc3zEQ4 New York Times