Subjects: IMMUNIZATION; VACCINATION policies; AGE distributionUNITED States
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Subjects: AGE distribution; DEVELOPMENTAL disabilities; EPIDEMIOLOGYUNITED States
Subjects: PUBLIC health surveillance; SURVEYS; AGE distributionUNITED States
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Subjects: AGE distribution; BLACK people; CONDOMSUNITED States
Subjects: AGE distribution; CONFIDENCE intervals; EPIDEMIOLOGYNEW York (State); OHIO
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