NNH-14084-45727 · OpenVSafe

Timeline

Registration Vaccinations Survey responses Call reports Cases without a report Call attempts Call successful Pregnancy survey

2021-03-01
Dose 1 — Pfizer-BioNTech
2021-03-30
Dose 2 — Pfizer-BioNTech
2021-06-12
Registered in v-safe
2021-06-29
Health check-in — 3 months, dose 2
Feeling: Good

Adult check-in
2021-09-28
Survey response — 6 months, dose 2
MedDRA: Caesarean section, Delivery, Migraine, Office visit, Pre-existing disease — Feeling: Good · Be unable to work or attend school, Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional · Outpatient clinic or urgent care clinic visit, Hospitalization

Free text: Symptoms: I had a healthy baby! C-section. I did have to return for possibke pre-eclampsia, but it was just a migraine (I've had these all my life) · Healthcare visit (other): Birthing center

MedDRA releases: 2024-11 · check-in free text available
2021-09-28
Report sent to call center — 6 months, dose 2
Be unable to work or attend school · Be unable to do your normal daily activities · Get care from a doctor or other healthcare pr

Outpatient clinic or urgent care clinic visit · Hospitalization · 1 call case(s)
2021-09-30
Call successful
Not applicable (accidental reporting or does not believe symptoms are related to vaccine)
2021-11-26
Dose 3 — Pfizer-BioNTech
2022-03-30
Health check-in — 12 months, dose 2
Feeling: Good

Adult check-in
2022-09-13
Dose 4 — Pfizer-BioNTech
Co-administered: Flu
2022-09-27
Health check-in — day 14, dose 4
Feeling: Good

Adult check-in
2022-10-04
Survey response — day 21, dose 4
MedDRA: Migraine — Feeling: Poor · Be unable to do your normal daily activities

Free text: Currently having a migraine (unrelated to vaccine)

MedDRA releases: 2024-11 · check-in free text available
2022-10-13
Health check-in — day 28, dose 4
Feeling: Good

Adult check-in
2022-10-18
Health check-in — day 35, dose 4
Feeling: Good

Adult check-in
2022-10-25
Health check-in — day 42, dose 4
Feeling: Good

Adult check-in
2022-12-13
Health check-in — 3 months, dose 4
Feeling: Fair

Adult check-in
2023-03-14
Health check-in — 6 months, dose 4
Feeling: Good

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-03-01	Pfizer-BioNTech
2	2021-03-30	Pfizer-BioNTech
3	2021-11-26	Pfizer-BioNTech	No
4	2022-09-13	Pfizer-BioNTech	Flu

Call center

1 call center case

1 successful

See the call center timeline

Free text

Release 9 — 6 months, dose 2

2021-09-28

Symptoms: I had a healthy baby! C-section. I did have to return for possibke pre-eclampsia, but it was just a migraine (I've had these all my life)

Healthcare visit (other): Birthing center

Release 12 — day 21, dose 4

2022-10-04

Symptoms: Currently having a migraine (unrelated to vaccine)

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

Field	Preferred term	2021-09	2023-04	2024-11
HCVO	Office visit	·	·	✓
SD	Caesarean section	·	·	✓
SD	Delivery	·	·	✓
SD	Migraine	·	·	✓
SD	Pre-existing disease	·	·	✓

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