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Immunization is the process of introducing a foreign molecule into the body, which causes the body to become fortified, and generate immunity, to the foreign target.

Department of Health Data

See the Behavioral Risk Factor Surveillance System (BRFSS) dataset.
Behavioral Health Risks of Pennsylvania Adults
Reports containing data from annual surveys of modifiable risks that affect people's health.
Healthy People
A report that tracks the progress of public health objectives in meeting their goals by the end of the decade.

External Data Sources

Vaccines and Immunizations (CDC)

World Health Organization (WHO)