Dengue fever has surged in Brazil's hot rainy season, forcing health authorities to take emergency measures and start mass vaccination against the mosquito-borne illness.

Brazil’s leading research institute, the state-funded Oswaldo Cruz Foundation, or Fiocruz, came up with several scenarios indicating that Brazil could have as many as 4.2 million cases this year ...

San Paolo, Brazil (CNN) — Rio de Janeiro has declared a state of public health emergency due to an epidemic of dengue fever, just days before Carnival celebrations are set to take place across ...

Brazil marked the start of 2024 by recording a doubling in cases of dengue, the mosquito-borne illness whose symptoms can be incapacitating. According to the World Health Organization (WHO ...

Brazil’s public-health system is administering a vaccine called Qdenga, made by Takeda in Osaka, Japan, that has an overall efficacy of 61.2% against dengue 2.

Iguazu Falls is the largest waterfall system in the world, made up of 275 cascades, drops, and falls. Standing at the edge of the Garganta del Diablo, which translates to the Devil’s Throat, a ...