SAO PAULO, Brazil (AFP) — The highly contagious coronavirus Delta variant “is already circulating” in Brazil’s most populated state, Sao Paulo, said authorities Wednesday in the country with the world’s second-highest death toll. The variant, which has boosted infection numbers even in countries with high vaccination rates, “is already indigenous, that is to say, it is already circulating in our environment in people who have not traveled or have had contact with someone who had […]