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(825 ms)

#2861829Sep 27, 2025
Female·63 yrs·WI·PNC20, RSV

Within three hours, I had a serious fever and headache. I went through the night feeling terrible and fighting the fever back-and-forth. Now it is almost 3 PM the next afternoon. I still have a severe headache, but I think the fever broke.

HeadachePyrexia
#2861831Sep 27, 2025
Female·79 yrs·FL·FLU3

The patient came in the store today to show me her arm after she received her flu vaccine on 9/24/25 and revealed bruising from the injection site down to her elbow that was honestly quite alarming looking. She said that she woke up with the bruising the morni…

Injection site bruising
#2861832Sep 27, 2025
Female·84 yrs·NY·FLU3

The patient called stating she received flu shot in the morning, and she said her arm at the injection site was swollen, warm, and red. She reported no rash or trouble breathing. The RPh on duty recommended Tylenol, cold compress, and possibly Benadryl, and he…

Injection site erythemaInjection site swellingInjection site warmth
#2861833Sep 27, 2025
Female·80 yrs·VT·COVID19

Patient reported fever spiking to 101.9 briefly

Pyrexia
#2861834Sep 27, 2025
Female·10 yrs·CA·COVID19

Patient did not received an age appropriate COVID -19 vaccine dose. Patient received COVID-19 mRNA Pfizer Comirnaty 2025-2026 12yr-adult 30mcg dose.

Incorrect dose administered
#2861835Sep 27, 2025
Female·0.5 yrs·CT·UNK

Rash on back

Rash
#2861836Sep 27, 2025
Female·6 yrs·CA·COVID19, FLU3

Patient was given an non-age appropriate COVID -19 Vaccine dose. Patient was given COVID-19 mRNA, 2025-2026 12yr-adult Cominraty Pfizer 30mcg dose.

Incorrect dose administered
#2861837Sep 27, 2025
Female·11 yrs·CA·COVID19

Patient received an non-age appropriate dose of COVID-19 vaccine dose. Patient received COVID-10 mRNA, 2025-2026 12yr-adult Pfizer Cominraty 30mcg dose.

Incorrect dose administered
#2861838Sep 27, 2025
Female·84 yrs·PA·COVID19, FLU3, RSV, VARZOS

Patient states her right arm is warm, swollen, painful, and red where she received her vaccines. She stated she was also seen in the ER the day after her injections for illness unrelated to the vaccines. She is still experiencing warm, swollen, painful and red…

Injection site erythemaInjection site painInjection site swellingInjection site warmthMalaise
#2861839Sep 27, 2025
Male·82 yrs·NV·COVID19, FLU3

PATIENT WAS GIVEN DUPLICATE VACCINE. HE WAS GIVEN FLUZONE HD AND MNEXSPIKE (COVID 19) VACCINES DESPITE HAVING ALREADY RECEIVED IT ON 9/9/2025.

Extra dose administered
#2861840Sep 27, 2025
Male·6 yrs·CA·COVID19, FLU3

Patient received an non-age appropriate dose of COVID-19 vaccine. Patient recived COVID-19 mRNS 2025-2026 12yr-adult Cominraty Pfizer 30mcg dose.

Incorrect dose administered
#2861841Sep 27, 2025
Female·14 yrs·PA·FLU3

Used a 1 inch needle to administer a vaccine to a 14 year old. Needle length seemed appropriate for patient's size. After administration, a small amount of vaccine leaked out of the injection site. Counseled the patient & guardian, since such a small unknown a…

Injection site discharge
#2861842Sep 27, 2025
Female·51 yrs·COVID19

pain at the injection site, fatigue, headache, chills, axillary swelling or tenderness.

ChillsFatigueHeadacheInjection site painOedema peripheralTenderness
#2861843Sep 27, 2025
Male·9 yrs·CA·COVID19, FLU3

Patient received a non-age-appropriate dose of COVID-19 vaccine. Patient received COVID-19 mRNA 2025-2026 12yrs-adult Cominraty pfizer 30mcg dose.

Incorrect dose administered
#2861844Sep 27, 2025
Male·51 yrs·KY·FLU3

patient received flublok around 11:30 am on 9/25/25, later that evening the patient states the injection site was red, warm to the touch, but overall small in size. The patient came to the pharmacy today, 9/27/25 to show the pharmacist the progression of the…

Injection site discomfortInjection site erythemaInjection site pruritusInjection site rashInjection site warmth
#2861845Sep 27, 2025
Male·21 yrs·CA·TYP

Patient has developed left posterior cervical chain lymphadenopathy. Painless. No other source of infection. No other complaints.

Lymphadenopathy
#2861846Sep 27, 2025
Male·71 yrs·AZ·FLU3

Patient stopped by the pharmacy yesterday and expressed his concerned about the pain (4-5 on the scale of 1-10) in the left arm around the area where the Flu vaccine was administered on 09/03/2025. He can not lift his arm completely. I told him to go see the d…

Injected limb mobility decreasedInjection site pain
#2861847Sep 27, 2025
Female·10 yrs·COVID19

Member received Comirnaty 30 mcg (for 12 years and older), instead of Comirnaty 10 mcg (5-11 years). No adverse reaction reported. PCP was notified and will notify the family.

Incorrect dose administeredNo adverse event
#2861848Sep 27, 2025
Female·38 yrs·AL·RAB

placed needle in patients arm and realized vaccine was still frozen. Removed needle, destroyed vaccine, and administered new thawed vaccine

Circumstance or information capable of leading to medication error
#2861849Sep 27, 2025
Female·76 yrs·FL·FLU3, PNC20

Left arm became swollen, red, hot, and uncomfortable. Patient says this started 3 days after administration and as of 9 days after getting the shots she came into the pharmacy to show me her arm. She said the first few days it was just sore (as expected), then…

Injection site erythemaInjection site painInjection site swellingInjection site warmth
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