Brazil has become the first person in the world to be re-infected with a mutant of the novel coronavirus, known as E484K, state-run news agency Agencia Brasil has reported.The re-infection case, discovered by researchers from the D'Or Institute for Research and Education in northeast Bahia, involves a 45-year-old woman who tested coronavirus positive in May and tested positive again in October last year with the mutation.
In both cases, the patient did not present serious symptoms.Originally identified in South Africa, the E484K mutation has been previously detected in Brazil, but this is the first case of re-infection with it.To confirm re-infection, it is necessary to undertake an analysis of the genome of the two viruses and compare the.