(G.N.S) Dt. 1 Brasilia The head of Sao Paulo state’s Butantan biomedical institute has said that a new COVID-19 variant detected that is similar to the one first seen in South Africa. Butantan President Dimas Covas said the patient with the variant had no history of travel to South Africa. The South African variant has alarmed public health experts as there are questions over how effective current vaccines are against
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