News Health risks during the Carnival season in Brazil Epidemiological update - 7 Feb 2019 The Carnival season will last from 1 to 9 March 2019. In Rio de Janeiro, Brazil, 1 million participants are expected, including many travellers from Europe Chikungunya virus disease Dengue Gonorrhoea Hepatitis B Hepatitis C HIV infection Malaria Public health threat Syphilis Yellow fever Zika virus disease
