[1] Betterhealth.vic.gov.au. Diphtheria. Retrieved on the 13th of March, 2025.
[2] Sahealth.sa.gov.au. Diphtheria - including symptoms, treatment and prevention. Retrieved on the 13th of March, 2025.
[3] CDC.gov. About Diphtheria. Retrieved on the 13th of March, 2025.
[4] Iris.who.int. Infection prevention and control and water, sanitation and hygiene measures for diphtheria in health-care settings. Retrieved on the 13th of March, 2025.