Baha'i-related initiatives in Iran in the 19th-20th centuries: Baha'is made important contributions to public health such as introducing showers in public baths, school vaccinations, women's health, and privately-financed clinics open to all Iranians.
Bahá'í Health Initiatives in Iran:
A preliminary survey
published in The Bahá'ís of Iran: Socio-historical Studies
, ed. Dominic Parviz Brookshaw & Seena B. Fazel, pages 122-140