Which organization monitors immunizations and vaccines?

The organization primarily responsible for monitoring immunizations and vaccines is the Centers for Disease Control and Prevention (CDC). The CDC plays a key role in public health by providing guidance on vaccine usage, conducting research on vaccine efficacy and safety, and establishing vaccination schedules to protect public health. It also gathers and analyzes data regarding vaccine-preventable diseases and oversees immunization programs across the United States.

In contrast, the Food and Drug Administration (FDA) regulates vaccines from a safety and effectiveness standpoint before they are made available to the public but does not monitor their ongoing use or immunization rates in the population. The United States Pharmacopeia (USP) focuses on drug standards and quality rather than immunization monitoring. The World Health Organization (WHO) works internationally to promote global health and vaccination but is not the primary organization for monitoring immunizations specifically within the United States.