Overview
- State surveillance logged 10,649 acute diarrheal cases through January 15 in Santa Catarina, with coastal municipalities reporting the most notifications.
- The latest IMA balneability update dated January 16 found 29 of 88 monitored points in Florianópolis not apt for bathing, with additional targeted warnings in Bombinhas and Camboriú.
- Authorities emphasize that advisories apply to localized tracts rather than entire beaches, with highest risk near river mouths, drainage outlets and lagoons and added caution recommended for 24–48 hours after heavy rain.
- Flagged examples include Canasvieiras point 59 and Ingleses points 29, 57 and 98, plus sectors in Lagoa da Conceição, Joaquina, Beira-Mar Norte and Ponta das Canas.
- Public-health guidance urges checking weekly balneability maps, using safe or bottled water, avoiding ice and street foods, maintaining hand hygiene and hydration, and seeking care for severe symptoms, while officials describe the rise as seasonal.