vaccinator

noun

1. A person or agent that administers vaccines.

   “In all this part of the Archipelago the Dutch make very praiseworthy efforts to improve the condition of the aborigines by establishing schoolmasters in every village (who are mostly natives of Amboyna or Saparua, who have; been instructed by the resident missionaries), and by employing native vaccinators to prevent the ravages of smallpox.”

   “In mid-2007, GPEI thought it had made significant headway; a "third party" had brokered an agreement with the Taliban to let polio vaccinators work unimpeded.”