mild dizziness; he stumbled; fell to the ground; loss consciousness; This report was identified on request by the company from Administration  (VAERS # 855229) under the Information Act on 04-FEB-2022.  This spontaneous report has been received from a healthcare professional (also reported as staff) referring to a 12-year-old male patient. The patient had allergies to dairy. Other concurrent conditions, medical history, and concomitant therapies were reported as unknown/none noted.  On 02-JAN-2020 at 14:50, the patient was vaccinated with the following vaccines for prophylaxis (all the strengths, doses and vaccination schemes were not reported): the first dose of HPV rl1 6 11 16 18 31 33 45 52 58 VLP vaccine (yeast) (GARDASIL 9) intramuscularly (IM) in the right arm (lot #1621926 has been verified to be a valid lot #, expiration date was not reported, but upon internal validation established as 28-NOV-2021); the first dose of measles, mumps, rubella and varicella (oka-merck) virus vaccine live (PROQUAD) subcutaneously (SC) in the right arm (lot #S013714, has been verified to be a valid lot #, expiration date was not reported, but upon internal validation established as 01-NOV-2020); the fourth dose of hepatitis B vaccine (recombinant) (RECOMBIVAX HB) IM in the left arm (lot #R021372 has been verified to be a valid lot #, expiration date was not reported, but upon internal validation established as 25-MAY-2021); the first dose of diphtheria vaccine toxoid, pertussis vaccine acellular 5-component, tetanus vaccine toxoid (ADACEL) IM in the left arm (lot # reported as C5640AA, expiration date not reported); the first dose of influenza vaccine inact split 4v (FLUZONE QUADRIVALENT) IM in the left arm (lot # reported as UJ254AC, expiration date not reported); the first dose of hepatitis A vaccine inact (HAVRIX) IM in the right arm (lot # reported 94J24, expiration date not reported); the fourth dose of polio vaccine inact 3v (vero) (IPOL) SC in the left arm (lot # reported as P1F491M, expiration date not reported); and the first dose of meningococcal vaccine a/c/y/w conj (dip tox) IM in the right arm (MENACTRA) (lot# reported as U6565AA, expiration date not reported) in the immunization clinic. After the immunization (IZ), on the same day at 14:53 (also reported as within 3 minutes), the patient reported mild dizziness (dizziness) and put his head between legs in the IZ exam room. After about 5 minutes, he reported he felt better. The patient declined laying down on a yoga mat on the floor. The reporter instructed him, with his mother, to sit in the waiting room for 10 more minutes before he left. The exam room was very warm, and the waiting room would be cooler. The patient reported feeling okay when he stood up from the chair in the exam room. When walked into the waiting room, he reported he felt dizzy. The reporter held the patient's arm to help him into a chair and he stumbled (gait disturbance) and then fell to the ground (fall), slightly assisted by the reporter's arm. The patient did not strike his head or injure any part of his body. He appeared to lose consciousness for about 5-10 seconds and then awoke. The reporter called for another nurse and instructed him to remain laying on the ground for 5 minutes. When the patient reported feeling no longer dizzy, the reporter helped him into a chair where he sat for 15 minutes and drank juice. He left with his mother in her private vehicle after reporting no symptoms for 15 minutes. There were no medical tests or laboratory results related to the events. The causal relationship between all the events and suspected vaccines was not reported.  Follow-up information was received from a registered nurse on 22-MAR-2022. The registered nurse could not locate the patient from the VAERS report and no further information was available.