Columbia subject headings:
Communicable diseases--United States--Prevention.
United States. Public Health Service. National Vaccine Program Office.
Vaccination of children--Law and legislation--United States.
Harvard subject headings:
Communicable diseases--United States--Prevention.
National Vaccine Plan (U.S.)
United States. Public Health Service. National Vaccine Program Office.
Vaccination of children--Law and legislation--United States.
Vaccination--Government policy--United States.
Princeton subject headings:
Communicable diseases--United States--Prevention.
United States. Public Health Service. National Vaccine Program Office
Vaccination of children--Law and legislation--United States.
Vaccination--Government policy--United States.