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(781 ms)

#2878273Dec 17, 2025
Male·26 yrs·TX·HEP

Patient received the 2nd dose of the Hepatitis B vaccine (Engerix-B) at 8:40am. He denies any immediate adverse effects and denies any adverse effects to previous dose administered on 11/13/2025. He reports onset of neck pain, neck stiffness, and pain with mo…

Musculoskeletal stiffnessNeck painPain
#2878274Dec 17, 2025
Female·13 yrs·WA·COVID19

Pt was given COVID booster on 12/4/25. Has had previous COVID vaccines before without issues. After mom picked her up from school she told mom she did not feel well. As time passed symptoms progressed and she developed sever chest pain and dizziness same day.…

AnaemiaBlood test abnormalChest painDizzinessElectrocardiogram normalEpistaxis+4 more
#2878275Dec 17, 2025
Female·1.3 yrs·MD·FLU3

Pt given 2nd dose of flu instead of 2nd dose of covid on 11/11/2025 and documented in arm vs. thigh. No adverse reaction and pt given 2nd COVID shot on 12/17/2025. Father made aware by provider.

Extra dose administeredNo adverse eventWrong product administered
#2878276Dec 17, 2025
Male·5 yrs·IL·MMR

Within 24 hours he developed a tick that included uncontrolled head movements when in conversation as well as before and after. On 17 December (8days after the shot) he developed severe rash from head to below his abdomen.

DyskinesiaRash
#2878278Dec 17, 2025
Female·56 yrs·KS·FLU3, PNC21

Patient came to the pharmacy to report adverse effected to a vaccine she received from us. 24 hours after getting her pneumonia (and flu) vaccine she developed a red, painful itchy rash on her right arm. She is managing with ibuprofen.

RashRash erythematousRash pruritic
#2878279Dec 17, 2025
Female·58 yrs·NV·PNC20

A few hours after injection patient had swelling, rash, and left shoulder pain, and chills

ArthralgiaChillsRashSwelling
#2878322Dec 17, 2025
Female·60 yrs·NY·COVID19

This was third dose, booster vaccine. Having redness and warm to the touch. Had Flu vaccine about a month ago. not sure which one given Dr.

ErythemaSkin warm
#2878323Dec 17, 2025
Female·73 yrs·MI·COVID19

After receiving the Spikevax the patient states after a week she began having intense pain in her injection arm. The patient stated she previously had a diagnosis of fibromyalgia but has since been diagnosed with polymyalgia. Patient has been going to rhuemato…

MyalgiaPain in extremity
#2878324Dec 17, 2025
Male·1 yrs·MI·FLU3, HEPA, HIBV, MMR, PNC20, VARCEL

On 12/17/25, RMA observed another staff with vaccines, watched that the HIB needed to be mixed with the diluent. RMA realized that she did not mix the HIB vaccine in with the diluent and gave only the diluent on this vaccine only. RMA immediately reported this…

No adverse eventProduct preparation issue
#2878325Dec 17, 2025
Female·4 yrs·MA·MMRV

Redness, Swelling at inj site

Injection site erythemaInjection site swelling
#2878326Dec 17, 2025
Female·0.5 yrs·CO·RSV

A 6month old patient received a second dose of RSV vaccine. I consulted newborn discharge summary and noted MOC had not received the RSV vaccine during pregnancy but both myself and my MA misread CIIS/the immunization module and did not correctly identify that…

Extra dose administeredProduct administered to patient of inappropriate age
#2878327Dec 17, 2025
Female·81 yrs·OR·FLU3

red rash

Rash erythematous
#2878328Dec 17, 2025
Male·75 yrs·OH·COVID19

-Extreme Fatigue. -Legs tingle sensation and weakness. -Slight coughing up some clear phlegm. -Tightness feeling of head and chest.…

Chest discomfortDyspnoeaFatigueMuscular weaknessParaesthesiaProductive cough+1 more
#2878329Dec 17, 2025
Female·65 yrs·TX·PNC21, VARZOS

According to patient's description, she was "frozen" for 4.5 hours. Assumably, she was having body chills, body ache, hives on legs (swollen with red coloration without itchiness), no difficulty in breathing. I suggested her to take a lot of rest and take Tyle…

ChillsErythemaFeeling coldPainPeripheral swellingUrticaria
#2878330Dec 17, 2025
Female·74 yrs·TX·COVID19, FLU3

2 days of mental fog, short-term memory loss, and name finding difficulty. Typical postvaccine myalgias. Memory symptoms resolved after 2 days along with the myalgias.

AmnesiaAphasiaBrain fogMyalgia
#2878331Dec 17, 2025
Female·73 yrs·FL·COVID19

Patient reported flu-like symptoms (severe fatigue, body ache, headache) for 2 weeks following the last injection. The patient was advised by doctor not to repeat dosing at this time and will be further evaluated for a "true" allergy.

FatigueHeadacheInfluenza like illnessPain
#2878332Dec 17, 2025
Male·3 yrs·MI·FLU3

Mom called PCP's clinic to report vaccine that was given to patient at pharmacy. Per Mom, vaccine was to be given in deltoid muscle, but was administered inferior to the deltoid muscle. Mom shared a picture of the site with the PCP, who was concerned that this…

No adverse eventProduct administered at inappropriate site
#2878333Dec 17, 2025
Female·4 yrs·WA·DTAPHEPBIP

swelling, redness, firmness at site of injection, starting about 12 hours after injection and still spreading thru the day, less so on 12/17

Injection site erythemaInjection site indurationInjection site swelling
#2878335Dec 17, 2025
Female·5 yrs·MI·FLU3

Mom called PCP's clinic to report vaccine that was given to patient at pharmacy. Per Mom, vaccine was to be given in deltoid muscle, but was administered inferior to the deltoid muscle. Mom shared a picture of the site with the PCP, who was concerned that this…

No adverse eventProduct administered at inappropriate site
#2878336Dec 17, 2025
Female·4 yrs·OR·DTAPIPV, MMRV, PNC20

Facial swelling, redness, itching, sneezing, coughing,. Patient given 12.5mg of Benadryl, monitored in clinic for 30 min. Patient swelling, itching resolved, but became very sleepy. Patient sent by private car to ER for monitoring.

CoughErythemaPruritusSneezingSomnolenceSwelling face
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