RIO DE JANEIRO, BRAZIL - Three new coronavirus strains have been detected in 20 countries in the Americas, raising concerns about possible heightened transmission, said Director of the Pan American Health Organization (PAHO) Carissa Etienne on Wednesday, February 3rd.
Though the frequency of the new variants is still limited, health experts warned they may lead to a resurgence of the pandemic.
The United States recorded a total of 546 infections of new variants in at least 33 U.S. states as of Tuesday, according to data of the U.S. Centers for Disease Control and Prevention (CDC).
The vast majority of . . .