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(754 ms)

#2851297Jul 25, 2025
Female·Age unknown·COVID19

Diagnosed to have Mast Cell Syndrome, and added that she has mast cells in her stomach/sick all the time/gets flare ups in the forms of hives and rashes/pain in her body and limbs/always feel weak/her joints hurt/had ongoing vomiting and diarrhea acc; This spo…

Mast cell activation syndromeWeight
#2851298Jul 25, 2025
Female·Age unknown·COVID19

Antibody levels checked 2 weeks after receiving the half dose are undetectable; She has had only one half-dose; This non-serious initial spontaneous safety report was reported by a Physician via contact center (MI No. NOV25-00332) and concerns a 44-year-old Fe…

Antibody testAntibody test negativeOff label use
#2851299Jul 25, 2025
Male·Age unknown·COVID19

Loss of taste for a few months/Eventually partially return; Attributes 15lb weight loss to this; This is a spontaneous report received from a Consumer or other non HCP. An adult male patient received BNT162b2 (BNT162B2 NOS), in Aug2022 as dose number unknown,…

AgeusiaWeight decreased
#2851300Jul 25, 2025
Male·Age unknown·COVID19

Covid; Covid; This is a spontaneous report received from a Consumer or other non HCP. A male patient received BNT162b2 omicron (kp.2) (COMIRNATY (2024-2025 FORMULA)), as dose 1, single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relev…

COVID-19Drug ineffective
#2851301Jul 25, 2025
Female·Age unknown·TX·COVID19

Covid After Pfizer Covid Immunizations; Covid After Pfizer Covid Immunizations; This is a spontaneous report received from a Consumer or other non HCP. A 62-year-old female patient received BNT162b2 omicron (kp.2) (COMIRNATY (2024-2025 FORMULA)), as dose 1, s…

Blood pressure measurementCOVID-19Drug ineffective
#2851302Jul 25, 2025
Unknown·39 yrs·IN·TDAP

with off label diagnosis s61.012A; Initial information received on 22-Jul-2025 regarding an unsolicited valid non-serious case received from a physician. This case involves a 39 years old with unknown gender patient who had off label diagnosis s61.012A (with…

No adverse eventOff label use
#2851303Jul 25, 2025
Female·Age unknown·FLU3

immediate bad cough; blurred vision; Allergic reaction; Initial information received on 23-Jul-2025 regarding an unsolicited valid non-serious case received from a consumer/non-healthcare professional. This case involves an unknown age female patient who had…

CoughHypersensitivityImmediate post-injection reactionVision blurred
#2851304Jul 25, 2025
Unknown·Age unknown·PA·TDAP

expired adacel vaccine was given with no reported adverse event; Initial information received on 24-Jul-2025 regarding an unsolicited valid non-serious case received from a pharmacist. This case involves patient of unknown demographics whom expired diphtheria…

Expired product administeredNo adverse event
#2851306Jul 25, 2025
Female·18 yrs·FL·HPV9, MENB, MNQ

Dizziness, headache, blurred vision,weakness

AstheniaDizzinessHeadacheVision blurred
#2851314Jul 25, 2025
SeriousDiedHospitalized
Female·80 yrs·WA·COVID19

Resident observed choking, lips blue in color, oxygen saturation decreased to <80% on 5 liters oxygen

ChokingCyanosisOxygen saturation decreased
#2851315Jul 25, 2025
Male·12 yrs·CA·IPV

No adverse effects.

Inappropriate schedule of product administrationNo adverse event
#2851316Jul 25, 2025
Female·66 yrs·OH·PNC20

patient has red flat patch around vaccine site

Injection site erythema
#2851317Jul 25, 2025
Female·54 yrs·CA·TDAP

as described by patient "arm hurt quite a bit for ~2 days. Days 3-4 were better and by day 5 I only noticed soreness if I touched the area where I got the shot. However, on day 6, my arm started to hurt a LOT again in that area and the pain extended many inche…

ErythemaInjection site painMuscle tightnessPeripheral swellingPruritus
#2851318Jul 25, 2025
Female·33 yrs·CA·COVID19

My period stopped entirely for 13 months

Amenorrhoea
#2851319Jul 25, 2025
Female·5 yrs·AZ·MMR, VARCEL

Huge raised red raise at injection site

Injection site erythemaInjection site swelling
#2851320Jul 25, 2025
Male·11 yrs·CA·TDAP

The vaccination was given, the young man, went to stand up to leave after the IZ card was filled out, sat back down and passed out. His father was present. The nurse put an ice pack on his neck under the right ear, and he was laid down on the floor with legs o…

Feeling coldLoss of consciousness
#2851321Jul 25, 2025
Female·76 yrs·CA·YF

Patient has underlying L ear tinnitus. July 19 she started having burning sensation and numbness on the soles of both feet. The following day she had similar sensation on the palms of her hands. She also had headache, tinnitus worse from baseline and burning f…

Burning sensationHeadacheHypoaesthesiaOral discomfortTinnitusTongue discomfort
#2851322Jul 25, 2025
Female·47 yrs·VA·COVID19

severe headache, body aches, high fever, extreme fatigue that last 3 days

FatigueHeadachePainPyrexia
#2851323Jul 25, 2025
Male·48 yrs·CA·YF

Developed injection site papules on 7/21, then a large raise erythematous plaque on 7/22

Injection site erythemaInjection site papuleInjection site plaque
#2851324Jul 25, 2025
Male·22 yrs·OR·HPV9, TDAP

Patient has a history of feeling dizzy or fainting from vaccines but this does not happen every time. He also has a fear of needles. After patient received vaccines, he waited by the pharmacy for a few minutes and got dizzy and fainted. He regained consciousne…

Cold sweatDizzinessSyncope
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