The Community Health Nurse Involved in Programs to Prevent Rheumatic

The community health nurse involved in programs to prevent rheumatic fever knows that the most important intervention to decrease the incidence of the disease is

A) teaching people to seek medical diagnosis and treatment for streptococcal pharyngitis.
B) providing prophylactic antibiotics to people with a family history of rheumatic fever.
C) immunizing susceptible groups of people with streptococcal vaccine.
D) promoting hygienic measures to prevent the transmission of streptococcal infections.