Answer:
Option B, primary prevention
Explanation:
Primary prevention strategies are interventions and measured implemented and aimed at mitigating a disease, illness, or condition before it can occur. The most common primary prevention strategy is education; for example, adolescent members of society may receive education on sexually transmitted infections to spread awareness and increase the use of contraceptives, like barrier devices.
Most vaccinations are provided on the basis that they will protect the patient from contracting a disease or illness altogether, reduce their likelihood of mortality, and or decrease the rates of transmission of a pathogen causing a condition. Because of this, they are considered a primary prevention strategy.
