Rio de Janeiro declared "a state of public health emergency" on the eve of Carnival. The city has recorded more than 10,000 cases of dengue since the beginning of the year.
Brazil has recorded 217,481 cases in the first four epidemiological weeks of this year. 29 confirmed deaths from the disease have been reported in the country, while another 173 deaths are under investigation. The incidence rate of the disease in Rio is now 160.68 cases per 100,000 inhabitants.