In the County Served by the Public Health Department (PHD)

In the county served by the public health department (PHD) , there is a measles outbreak. What steps are usually taken by a PHD to address these types of outbreaks? (Select all that apply.)

A) Mandate vaccinations for school attendance.
B) Carry out mass immunization in an unvaccinated population.
C) Fine person who are not vaccinated.
D) Send out flyers to parents encouraging them to vaccinate their children.