An immunization schedule is a guideline that outlines the recommended vaccines for individuals, particularly children, at specific ages. These vaccines help protect against various infectious diseases, such as measles, mumps, and rubella. The schedule is designed to ensure that individuals receive vaccinations at the optimal times to build immunity effectively. Health organizations, like the Centers for Disease Control and Prevention (CDC), provide these schedules based on extensive research and expert recommendations. Following the immunization schedule helps prevent outbreaks of diseases and contributes to community health by achieving herd immunity, which protects those who cannot be vaccinated.