.Publisheru00e2 $ s take note Springer Nature remains neutral with regard to administrative cases in published maps and also institutional affiliations.This is actually a review of: Hanson, C. et al. A time-stratified, caseu00e2 $ "crossover study of warm direct exposure and also perinatal death from 16 medical facilities in sub-Saharan Africa. Nat. Med. https://doi.org/10.1038/s41591-024-03245-7 (2024 ).