Case of type 4 dengue reported in Rio de Janeiro

Health officials in the Brazilian city of Rio de Janeiro have confirmed a case of type 4 dengue fever, which has not been seen in the area since 2018, Agencia Brasil reported. In response, measures are being considered to control the spread of the mosquitoes that transmit the disease (Aedes aegypti). More than 6,000 dengue virus cases have been identified this year, with 5,532 type 1 cases, 820 type 2 cases, and only one type 4 case.