Brazil's Covid outbreak is global threat that opens door to lethal variants – scientist

Duke University neuroscientist urges international community to challenge Brazilian government over its failure to contain

Brazil's rampant coronavirus outbreak has become a global threat that risks spawning new and even more lethal variants, one of the South American country's top scientists has warned as it suffered its deadliest day of the pandemic.

Speaking to the Guardian, Miguel Nicolelis, a Duke University neuroscientist who is tracking the crisis, urged the international community to challenge the Brazilian government over its failure to contain an epidemic that has killed more than a quarter of a million Brazilians - about 10% of the global total.