RIO DE JANEIRO, BRAZIL - It was first detected in Peru, and then in Argentina, Chile and Uruguay. It is currently present in Covid-19 patients in 29 countries in 5 regions of the world. In Argentina, its impact on potential re-infection and on vaccinated patients is being studied.
The "Andean" coronavirus variant has now been officially named Lambda by the World Health Organization (W.H.O.) and classified as "of interest." This variant had been reported in preliminary studies last August by researchers in Peru and was later detected in Argentina.
Over the past three months, it has been . . .