epa09630456 A doctor examines a child at the Flu Care Center, in the Alemao favela complex, in Rio de Janeiro, Brazil, 08 December 2021. The number of severe respiratory cases caused by influenza exceeds that of covid-19, according to information from the municipal Secretary of Health. Faced with this flu outbreak, which has already reached 20 thousand inhabitants of Rio de Janeiro, the city of Rio de Janeiro will receive 300 thousand doses of vaccine against the H3N2 influenza, from the Butantan Institute of Sao Paulo.  EPA/Andre Coelho