President John F. Kennedy signed the Vaccination Assistance Act into law in 1962, which allowed the CDC to support mass immunization campaigns and to initiate maintenance programs.
It allowed the CDC to support mass immunization campaigns and to initiate maintenance programs. President John F. Kennedy signed the Vaccination Assistance Act into law in 1962.
President John F. Kennedy signed the Vaccination Assistance Act into law in 1962. It allowed the CDC to support mass immunization campaigns and to initiate maintenance programs.
President John F. Kennedy signed the Vaccination Assistance Act into law in 1962. It allowed the CDC to support mass immunization campaigns and to initiate maintenance programs.