At around 10:30 am on 01/24/2025 patient approached Team (PHN Team) – (RN, PHN and RN, PHN and requested a Hepatitis A vaccine. RN, PHN reviewed patient eligibility and confirmed vaccine history in the Immunization Registry database. Patient denied having a history of allergies or adverse reactions to vaccines. Patient denied syncope after receiving vaccines in the past. At 10:55 am, RN, PHN administered Havrix (Lot # 772YT, Expiration date 9/23/2025) in the right deltoid, intramuscularly. At 11:00 am patient reported she ?felt dizzy?. Patient appeared sitting calmly in the chair, RN, PHN provided patient with a juice box. RN, PHN, offered to lie patient down on the yoga mat. Patient denied moving and requested to stay sitting. Patient began drinking the juice box. Patient’s skin was dry and appropriate color for Ethinicy. At 11:05 am patient gave verbal consent for RN, PHN to measure vitals. Vital signs measured as follows: blood pressure 102/68 mm Hg, heart rate 75 beats per minute, respiratory rate 18 breaths per minute, oxygen saturation 98%. Patient stated she was “feeling better”. At 11:08 am patient reported symptom had resolved completely. PHN, educated patient about risk for syncope with vaccinations. PHN, referred patient to primary care clinic for follow up and future vaccines. Patient stood up at 11:10 am to go to her appointment at clinic. Patient denied any return of symptoms and walked away with a steady gait and balance to the next resource tent.