“A Pertussis Outbreak Investigation, Amreli District, Gujarat State, India, December 2022 -August 2023”. Journal of the Epidemiology Foundation of India 2, no. 4 (December 31, 2024): 185–191. Accessed April 3, 2025. https://efi.org.in/journal/index.php/JEFI/article/view/49.