1. Yeung KHT, Duclos P, Nelson EAS, et al. An update of the global burden of pertussis in children younger than 5 years: a modelling study. Lancet Infect Dis. 2017;17(9):974–980.... 2. Altunaiji S, Kukuruzovic R, Curtis N, et al. Antibiotics for whooping cough (pertussis). Cochrane Database Syst Rev. 2007;(3):CD004404. 3. Centers for Disease Control and Prevention. Pertussis (whooping cough). Clinical complications. Accessed July 19, 2020. https://www.cdc.gov/pertussis/clinical/complications.html 4.