H.W. MOUNTZ Immunization Requirments:State of NJ Immunization Quick Links:Monmouth County Health Deparartment:Immunization Clinics The childhood immunization clinic provides immunizations to children from birth to 18 years old who do not have insurance or who are underinsured. Children must be accompanied by a parent or guardian. Appointments are necessary. For further information or to make an appointment call 732-431-7456, ext. 8516.