OpenVSafe by OpenVAERS
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XW4-29331-61183

3 vaccinations 1 coded response 14 check-ins 1 free-text entry 1 call case
Sex
Female
Age at first dose
31-35
ZIP prefix
191 / PA
Registered
2021-04-04
Relationship
Self
Race
Other
Ethnicity
Hispanic or Latino

Possible VAERS report

VAERS IDConfidenceScoreRunner-upShared symptomsDose StateVAERS vaccinated / onset / receivedCall case
2225868 (opens in a new window) high 8 / 11 — 0 of 13 VAERS symptoms same dose (3) PA matches 2021-12-03 / 2022-01-04 / 2022-04-11
received the same day as the last call
 case 452419

From the VAERS matching of call center cases (loader/vaers_match_*). Only the best match is shown, and only if it scores 8 or more out of 11. The score adds up timing (VAERS received soon after the call center contact), dose and shared symptoms; state only breaks ties. Confidence is high when the score is 8+ and at least 3 points ahead of the runner-up, medium when 5+ and 2 ahead, otherwise low. A match is a likely link, not a confirmed one.

Timeline

  1. 2021-04-03
    Dose 1 — Pfizer-BioNTech
  2. 2021-04-04
    Registered in v-safe
  3. 2021-04-04
    Health check-in — days 1–6 daily, dose 1
    Feeling: Good · Site: Pain · Fatigue or tiredness
    Adult check-in
  4. 2021-04-05
    Health check-in — days 1–6 daily, dose 1
    Feeling: Good · Rash, not including the immediate area around the injection site
    Adult check-in
  5. 2021-04-07
    Health check-in — days 1–6 daily, dose 1
    Feeling: Good · Rash, not including the immediate area around the injection site
    Adult check-in
  6. 2021-04-08
    Health check-in — days 1–6 daily, dose 1
    Feeling: Good · None
    Adult check-in
  7. 2021-04-09
    Health check-in — days 1–6 daily, dose 1
    Feeling: Good · None
    Adult check-in
  8. 2021-04-10
    Health check-in — day 7, dose 1
    Feeling: Good · None
    Adult check-in
  9. 2021-04-17
    Health check-in — day 14, dose 1
    Feeling: Good
    Adult check-in
  10. 2021-04-24
    Health check-in — day 21, dose 1
    Feeling: Good
    Adult check-in
  11. 2021-05-01
    Health check-in — day 28, dose 1
    Feeling: Good
    Adult check-in
  12. 2021-05-08
    Health check-in — day 35, dose 1
    Feeling: Good
    Adult check-in
  13. 2021-05-15
    Dose 2 — Pfizer-BioNTech
  14. 2021-07-05
    Health check-in — 3 months, dose 1
    Feeling: Good
    Adult check-in
  15. 2021-10-04
    Health check-in — 6 months, dose 1
    Feeling: Good
    Adult check-in
  16. 2021-12-03
    Dose 3 — Pfizer-BioNTech
  17. 2022-04-03
    Survey response — 12 months, dose 1
    MedDRA: Brain fog, Unevaluable event — Feeling: Good · Get care from a doctor or other healthcare professional
    Free text: Symptoms: Fog brain · Healthcare visit (other): Appointment will be April 15th
    MedDRA releases: 2024-11 · check-in free text available
  18. 2022-04-03
    Report sent to call center — 12 months, dose 1
    Get care from a doctor or other healthcare professional
    1 call case(s)
  19. 2022-04-11
    Call successful
    Completed over the phone
  20. 2022-06-05
    Health check-in — 6 months, dose 3
    Feeling: Good
    Adult check-in

Vaccinations

DoseDateManufacturerCo-administered
12021-04-03Pfizer-BioNTech
22021-05-15Pfizer-BioNTech No
32021-12-03Pfizer-BioNTech No

Call center

ReportedOutcomeVAERS-related outcome
2022-04-03 Successful
2022-04-11
 Completed over the phone

Free text

Release 11 — 12 months, dose 1

2022-04-03

Symptoms: Fog brain
Healthcare visit (other): Appointment will be April 15th

Each entry is dated by the survey it was written in (the CDC re-sent the releases with survey dates in 2025); click a date to see that survey response. The CDC cut some text off at about 250 characters: symptoms in every release, and the other two fields in releases 9-12. Those entries are marked "cut off by CDC".

MedDRA terms by release

FieldPreferred term2021-092023-042024-11
HCVOUnevaluable event · · ✓
SDBrain fog · · ✓

✓ active code · ○ coded but marked inactive · blank = not in that release

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