Santa Catarina recorded more than 3,500 probable dengue cases heading into a summer season where health authorities confront multiple overlapping mosquito-borne diseases.
More than 500 participants gathered at the Teatro Governador Pedro Ivo in Florianópolis for the 4th State Seminar on Arboviruses, Grupo Portal de Notícias reported. The event, which concludes on Wednesday, brings together municipal representatives and regional health teams to prepare services for 2026 and 2027.
Elevated temperatures and increased rainfall create favorable conditions for Aedes aegypti reproduction, raising transmission risks. State health officials organized the meeting through the Directorate of Epidemiological Surveillance to train teams in early identification and patient care.
“The seminar allows us to expand professionals’ knowledge and strengthen joint action between the State and municipalities,” said João Augusto Brancher Fuck, director of DIVE, according to the state government’s release.
Beyond dengue, chikungunya, and zika, public health teams track emerging threats such as Oropouche fever and West Nile fever. Similar early symptoms across these infections complicate accurate diagnosis during clinical evaluations.
“The concern is in the sense that you have several diseases circulating very similarly and they bring a complexity both in the suspicion and in the diagnosis of these diseases,” Fuck told Ligado no Sul.
The state documented 102 chikungunya cases and 10 zika cases alongside the dengue figures. Specialists discussed clinical management of severe cases, the Wolbachia method, and intradermal residual spraying during the two-day event.
State officials emphasize that vector control relies heavily on property inspections by residents. Eliminating standing water in containers, covering water tanks, and properly disposing of tires and bottles reduce mosquito breeding sites.
“Then it is the time to intensify actions to try to lessen the impact of these diseases in the next weeks and in the next months,” Fuck told Ligado no Sul.
Oropouche fever is transmitted primarily by biting midges known as maruims, while West Nile fever is associated with mosquitoes from the Culex genus. Aedes aegypti remains the vector for dengue, chikungunya, and zika.
Sessions address emergency department protocols for dengue, specialized care for pediatric patients, and the role of Primary Health Care in early detection and continuous patient monitoring.
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