This film explains the history of the Public Health Service (PHS) beginning with the 1798 Act of Congress. Medical subjects include prevention of: smallpox, cholera, typhus fever, bubonic plague, yellow fever, trachoma, malaria, leprosy, and venereal disease. Prevention shown includes: maritime quarantine; insecticide spraying of people and baggage; health inspection of immigrants; rat extermination; inspection of drinking water on planes, trains, ships, and towns, especially during floods; and inspections of canneries and sea food. Other duties shown include: health care to penal institutions
You can stream 1936 The work of the Public Health Service (1936) free and legally on OldReel, via the Internet Archive.
Yes — it is in the public domain and can be watched and shared freely.