Excess mortality associated with extreme heat in Rio de Janeiro, Brazil, 2023
Objective
To determine the excess mortality associated with the November 2023 extreme heat wave in Rio de Janeiro, Brazil, with temperatures reaching 42°C.
Methods
Using the excess heat factor (EHF) to characterize the heat wave, this study identified elevated excess mortality across various disease categories, including symptoms and abnormal clinical findings, nervous system disorders, mental health conditions, and genitourinary diseases, diverging from typical heat-related mortality patterns.

