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(794 ms)

#2893029Apr 16, 2026
Female·2 yrs·DTAP

left leg redness, swelling, and pain after immunizations. Noticed swelling this morning.

Injection site erythemaInjection site painInjection site swelling
#2893030Apr 16, 2026
Male·0.7 yrs·CO·DTAPIPVHIB

Pt. was given a dose of expired pentacel expired on 3/31/26. No current symptoms at this time. Pt. will come in for another dosage of the vaccine

Expired product administered
#2893032Apr 16, 2026
Male·Age unknown·COVID19

I have had spine surgery; fingers are swelling so bad they will bust and its painful; fingers are swelling so bad they will bust and its painful; I have two fingers on each hand that do not bend; PROGRAM NAME NOT AVAILABLE This is a solicited report received…

Musculoskeletal stiffnessPain in extremityPeripheral swellingSpinal operation
#2893033Apr 16, 2026
Male·Age unknown·PNC20

arm pain at the injections site; flu like symptoms; This is a spontaneous report received from a Consumer or other non HCP. A male patient received pneumococcal 20-val vaccine (diphtheria CRM197 protein) (PREVNAR 20), in Mar2026 as dose number unknown, single…

Influenza like illnessInjection site pain
#2893034Apr 16, 2026
Female·Age unknown·IA·RSV

Pharmacist shared that 2 days post vaccine administration, patient's left side of her face swelled up.; This is a spontaneous report received from a Pharmacist from a sales representative. An elderly female patient (not pregnant) received rsv vaccine prot.sub…

Swelling face
#2893035Apr 16, 2026
SeriousDisabled
Male·67 yrs·NH·VARZOS

PT STATES HE HAS GUILLAN-BARRE SYNDROME

Guillain-Barre syndrome
#2893036Apr 16, 2026
Male·49 yrs·SMALLMNK

Cellulitis around injection site of left upper arm triceps that began to worsen after 2 days. Required patient be placed on oral antibiotics.

Injection site cellulitis
#2893037Apr 16, 2026
Male·34 yrs·NC·UNK

Clammy, Dizziness, Dry mouth, Feeling of warmth, Hypotension, Lightheadedness, LOC ~ less than 60 sec., pale skin or lips, Bluish tint to skin (Cyanosis), Sweating, Visual disturbance (blurred or faded vision), Weakness

AstheniaCold sweatCyanosisDizzinessDry mouthFeeling hot+5 more
#2893039Apr 16, 2026
Male·Age unknown·IL·HPV9

No adverse effects reported.; he received his second GARDASIL 9 vaccine at 6 months instead of the recommended 2 month interval for his age; This spontaneous report was received from the patient referring to himself as 31-year-old male patient. The patient's p…

Inappropriate schedule of product administrationNo adverse event
#2893040Apr 16, 2026
Female·Age unknown·MA·HEPA

No additional AE reported.; Nurse reported patient was accidently administered a pediatric dose of VAQTA instead of an adult dose of VAQTA; This spontaneous report was received from a nurse and refers to a 45-year-old female patient. The patient's pertinent…

No adverse eventUnderdose
#2893041Apr 16, 2026
Female·48 yrs·TX·COVID19

PFIZER #1 4/25/2021 PFIZER #2 5/16/21 PFIZER #3 12/21/2021 DEVELOPED INSIDIOUS ONSET OF POST-VACCINE SYNDROME INCLUDING POST-EXERTIONAL MALAISE, LOSS OF MENTAL CLARITY, AND SUBCLINICAL VACCINE MYOPERICARDITIS. EVALATED FOR VACCINE INDUCED IMMUNODEFICIENCY SYN…

EchocardiogramElectrocardiogramLaboratory testMalaiseMental impairmentMyopericarditis+1 more
#2893042Apr 16, 2026
Female·28 yrs·NJ·TYP

Around 9-10PM at night, started to have diarrhea, cold sweats, stomach pain, and nausea. This continued for several hours, to the point that diarrhea started to become bloody and only consisted of water and blood. Decided to go to ER around 3AM. On the way to…

Abdominal pain upperAstheniaBlood lactic acid normalCold sweatComputerised tomogram abdomen abnormalDiarrhoea haemorrhagic+17 more
#2893043Apr 16, 2026
Male·0.8 yrs·FL·DTAPIPVHIB, PNC20, RV1

localized erythema to right and left thigh at injection site and erythema to both cheeks

Erythema
#2893045Apr 16, 2026
Female·Age unknown·MD·HPV9

received GARDASIL 9 at a younger age had a seizure; This spontaneous report was received from a physician via Company representative, concerning a female child patient. The patient's medical history, past medications, concurrent conditions, concomitant medica…

Seizure
#2893046Apr 16, 2026
SeriousHospitalized
Male·63 yrs·NJ·COVID19

Patient reports severe illness requiring hospitalization shortly after receiving the first COVID-19 vaccine dose. Despite this, the patient completed the vaccination series. Subsequently, the patient reports developing pulmonary malignancy, an immune disorder,…

IllnessImmune system disorderLung neoplasm malignantPneumoniaPulmonary resection
#2893047Apr 16, 2026
Female·62 yrs·LA·VARZOS

First shingles vaccine, She had a small reaction at injection site the day after, it healed in 2 days but spread down her arm, it has been getting bigger over the week, I saw it today on day 8, it was covering her entire bicep area, lumpy and had a pink circle…

Injection site rashRash erythematous
#2893090Apr 16, 2026
Female·52 yrs·CA·VARZOS

On 3/14/26 left upper arm was swollen lasted a few days. On 3/20/26 noticed bilateral hands swollen & itching for 2 days. On 4/3/26 noticed entire body itching & tingling with HA & back pains. On 4/10 noticed face itching & realized all is from the shingles va…

Back painC-reactive protein increasedHeadacheInjection site swellingParaesthesiaPeripheral swelling+3 more
#2892784Apr 15, 2026
Female·67 yrs·OH·COVID19-2

blood clots in legs and lungs; blood clots in legs and lungs; This spontaneous case was reported by a consumer and describes the occurrence of THROMBOSIS (blood clots in legs and lungs) and PULMONARY THROMBOSIS (blood clots in legs and lungs) in an elderly fem…

Pulmonary thrombosisThrombosis
#2892796Apr 15, 2026
Female·11 yrs·UT·HEPA

Havrix pediatric dose administered to an adult patient; Havrix pediatric dose administered to an adult patient; first dose of adult Havrix was administered on 9/27/2006; first dose of adult Havrix was administered on 9/27/2006; This non-serious case was report…

Underdose
#2892801Apr 15, 2026
Female·32 yrs·TX·HPV9

No additional AE; Nurse called to report that GARDASIL 9 was inadvertently administered to a patient after being improperly stored.; It was shipped on April 7, 2026 and did not arrive until April 13, 2026, and the distributor told the office it was not stable…

Product storage issue
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