The Public Health Department (PHD) Is Concerned About an Outbreak

The public health department (PHD) is concerned about an outbreak of measles that has occurred in a country adjacent to theirs. Although there are currently no reported cases, as one of their actions the PHD reaches out to all the primary care providers to encourage all of their unvaccinated patients to get vaccinated and to encourage the parents of unvaccinated children to get their vaccinations up to date. Such a public health initiative is an example of:

A) A secondary prevention approach related to screening.
B) A primary prevention approach focused on health protection.
C) A primary prevention approach focused on health promotion.
D) A primary prevention approach focused on screening.