The São Paulo State Health Department reported 19 confirmed cases and 18 deaths from Brazilian spotted fever this year, with a case fatality rate of 94.7%. Probable infection sites were identified in Campinas (5 cases), Piracicaba (3), Sorocaba (3), Santo André (1), and São José dos Campos (1). In 2025, 61 cases and 44 deaths were recorded (case fatality rate of 72.1%).
The disease, caused by Rickettsia rickettsii and transmitted by ticks, presents with symptoms such as sudden fever, headache, muscle and joint pain, weakness, and a characteristic rash. Early treatment is crucial to avoid serious complications.
