VAERS Explorer

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A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

1,929,324 reports(808 ms)

#2869384Oct 29, 2025
Male·26 yrs·CA·YF

Administered YF-Vax as IM instead of SQ during vaccine appointment. Informed patient, no adverse events reported after administration.

Incorrect route of product administrationNo adverse event
#2869385Oct 29, 2025
Female·28 yrs·CO·FLU3

10/10/2025 Recieved flu shot adminitered by nursing student at flu clinic. Pain was felt with insertion and adminsitration of the flu vaccine. Immediatey following the vaccine administration my arm became warm and my body flushed. My neck became sore and stiff…

ArthralgiaAxillary painFlushingHypoaesthesiaImmediate post-injection reactionInflammation+11 more
#2869386Oct 29, 2025
Female·70 yrs·WV·RSV

Patient did not have an adverse reaction. Patient was given an expired RSV vaccine.

Expired product administeredNo adverse event
#2869387Oct 29, 2025
Female·79 yrs·WI·FLU3

Patient received a vaccine at around 12:30 at the pharmacy and started to see pain that evening around bedtime. She called the pharmacy 2 days later stating she was in extreme pain and had a lot of swelling at the site. She denied redness or warmness at the…

Injection site painInjection site swelling
#2869388Oct 29, 2025
SeriousDisabled
Female·66 yrs·PA·COVID19, FLU3

Woke up the next day with profound hearing loss in right ear. It is sensiorneural hearing loss, diagnosed by Dr. on 10/29/25

Acoustic stimulation testsAudiogramDeafness neurosensoryDeafness unilateral
#2869389Oct 29, 2025
Female·33 yrs·FLU3

Pt reported metallic taste in mouth shortly after getting the vaccine.

Dysgeusia
#2869390Oct 29, 2025
Unknown·Age unknown·TX·PNC20

warm and red in the area of vaccine 4-5 days later

Injection site erythemaInjection site warmth
#2869391Oct 29, 2025
Female·24 yrs·IN·FLU3

Started out as sore with small swollen area night of vaccine, by next morning area had gotten bigger was red and warm also then day 2 after vaccine entire arm from shoulder to elbow was swollen red warm to touch

ErythemaPeripheral swellingSkin warm
#2869392Oct 29, 2025
Male·6 yrs·NY·DTAPHEPBIP

Patient was given the wrong vaccine. Pt was supposed to have been given DTAP not Pediarix.

Wrong product administered
#2869393Oct 29, 2025
Female·5 yrs·FLU3

Behavior change with increased anxiety, outbursts at home and school, aggression (hitting).

AggressionAnxietyCondition aggravated
#2869394Oct 29, 2025
Female·86 yrs·FL·FLU3, PNC21

Pt came to pharmacy to report an adverse reaction of redness, warm to touch, and itchiness on her left upper arm. The reaction with around the injection area. She said it was like that for a few days. I recommended an antihistamine (she preferred loratadine tw…

Injection site erythemaInjection site pruritusInjection site warmth
#2869395Oct 29, 2025
Female·0.5 yrs·OH·DTPPVHBHPB, PNC20, RV5, UNK

Hives developed shortly (minutes) after vaccine administration. No other allergic symtoms. Resolved within 10 minutes. Note: RSV preventative antibody was administered with vaccines. 10/29/2025 -- Left lower vastus lateralis Intramuscular, Sanofi Pasteur, lot…

Urticaria
#2869396Oct 29, 2025
Male·0.2 yrs·OR·RSV

The patient was administered the Adult RSV instead of the RSV for children.

Product administered to patient of inappropriate age
#2869397Oct 29, 2025
Female·47 yrs·CA·FLU3

ocular migraine starting about 4 hours after administration

Ophthalmic migraine
#2869398Oct 29, 2025
Female·11 yrs·CO·FLU3, HEPA, HPV9, VARCEL

Patient recieved vaccines at a vaccine clinic event that was hels at her school. After recieving immunizations the patient lost color in her face ane eyes closed as she slumped down in the chair. She was caught by her mother, sister and the nurse doing the…

HypotoniaPallor
#2869399Oct 29, 2025
Male·58 yrs·WA·TDAP

Employee Health records show he had not had a tdap vaccination since 2004. However, while entering the information into system His record shows that he received a tdap 02/21/2025 from his Healthcare Provider.

Inappropriate schedule of product administration
#2869400Oct 29, 2025
Female·74 yrs·SC·RSV

pt reports significant pain, itching, and swelling around injection site 9 days post vaccination. states she will be going to the dr.

Injection site painInjection site pruritusInjection site swelling
#2869401Oct 29, 2025
Female·50 yrs·AL·FLU3

itching, redness, swelling

ErythemaPruritusSwelling
#2869402Oct 29, 2025
Male·67 yrs·OH·COVID19, FLU3

Patient given pediatric dosage of Covid-19 immunization, 0.25 mL, instead of adult dosage, 0.5 mL

Underdose
#2869403Oct 29, 2025
Male·79 yrs·MI·FLU3

Patient complained of kidney pain immediately after vaccine was administered. Patient was observed for 30 minutes and seen by NP. blood pressure and pulse were taken. 142/72 hr 76. No shortness of breath or difficulty breathing. Cool wash cloth was applie…

Immediate post-injection reactionRenal pain
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