From source to sickness: seasonal water risks in Brazil’s Semiarid - Caroline E. Lourenço; Alexandre C. Costa; Tainara C. de Sousa; Adriana M. Silva; João D. Pontes Filho; Caique Ayrton de Brito; Pedro H. A. Medeiros; Eduardo S. P. R. Martins; Rafaella P. Moreira; Pieter R. van Oel (BMC Public Health, 2026)