N.Y. Pub. Health Law § 4405-a

§ 4405-a. Immunizations against poliomyelitis, mumps, measles,\ndiphtheria and rubella. 1. It shall be the duty of the administrative\nofficer or other person in charge of each health maintenance\norganization, as defined in this article, to inquire of each person in\nits care under the age of eighteen, or of a person in parental relation\nto such person, whether all necessary immunizations have been received\nfor poliomyelitis, mumps, measles, diphtheria and rubella and, if not,\nto make available such immunizations and a certificate or certificates\nof such immunizations.\n 2. This section shall not apply to children whose parent, parents, or\nguardian are bona fide members of a recognized religious organization\nwhose teachings are contrary to the practices herein required.\n 3. If any physician licensed to practice medicine in this state\ncertifies that any such immunization may be detrimental to a child's\nhealth, the requirements of this section shall be inapplicable until\nsuch immunization is found no longer to be detrimental to the child's\nhealth.\n