Brazil Battles Dengue Outbreak with Mass Vaccination and Emergency Measures

As Brazil faces a fourfold increase in dengue cases, authorities launch a mass vaccination campaign and declare public health emergencies in several states.

Brazil reports a surge in dengue fever cases, with over 364,855 infections in the first five weeks of 2024, prompting a mass vaccination campaign.
Public health emergencies declared in Rio de Janeiro and other states as the country braces for Carnival amid the outbreak.
Army deployed in Brasília to combat mosquito breeding sites; Rio opens treatment centers and plans widespread vaccination.
A new single-dose dengue vaccine developed in Brazil shows nearly 80% effectiveness in trials, offering hope for a significant public health impact.
The World Health Organization attributes the outbreak to the El Niño phenomenon, with over 500 million global cases and 5,000 deaths reported last year.

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