YGK-99832-99045 · OpenVSafe

Timeline

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

2021-03-09
Dose 1 — Pfizer-BioNTech
2021-03-30
Dose 2 — Pfizer-BioNTech
2021-05-20
Registered in v-safe
2021-06-29
Health check-in — 3 months, dose 2
Feeling: Good

Adult check-in
2021-09-28
Health check-in — 6 months, dose 2
Feeling: Good

Adult check-in
2022-01-12
Dose 3 — Pfizer-BioNTech
2022-04-01
Health check-in — 12 months, dose 2
Feeling: Good

Adult check-in
2022-04-13
Health check-in — 3 months, dose 3
Feeling: Fair

Adult check-in
2022-07-15
Survey response — 6 months, dose 3
MedDRA: Menstruation irregular, Office visit — Feeling: Good · Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional

Free text: Symptoms: Menstrual cycle returned on June 17 2022 approximately 13 months after it happen a week after the 2nd Pfizer dose. · Healthcare visit (other): Obgyn check

MedDRA releases: 2024-11 · check-in free text available
2022-07-15
Report sent to call center — 6 months, dose 3
Be unable to do your normal daily activities · Get care from a doctor or other healthcare professional

1 call case(s)
2022-07-18
Call successful
Participant prefers to complete VAERS report online
2022-07-29
Dose 4 — Pfizer-BioNTech
2022-08-09
Health check-in — day 7, dose 4
Feeling: Fair · Muscle or body aches · Be unable to do your normal daily activities

Adult check-in
2022-08-28
Health check-in — day 28, dose 4
Feeling: Fair

Adult check-in
2022-09-09
Health check-in — day 42, dose 4
Feeling: Fair

Adult check-in
2022-10-29
Survey response — 3 months, dose 4
MedDRA: Hot flush, Menstruation irregular, Unevaluable event — Feeling: Good · Get care from a doctor or other healthcare professional · Hospitalization

Free text: Symptoms: Period returned for the second time. DNC biopsy performed. Results were negative. No further bleeding. However hot flashes returned and were not frequent and severe. Started estrogen patch and progesterone. · Healthcare visit (other): Biopsy

MedDRA releases: 2024-11 · check-in free text available
2022-10-29
Report sent to call center — 3 months, dose 4
Get care from a doctor or other healthcare professional

Hospitalization · 1 call case(s)
2022-11-01
Call successful
Not applicable – Participant does not believe symptoms are related to vaccine and does not wish to fill
2023-01-29
Health check-in — 6 months, dose 4
Feeling: Fair

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-03-09	Pfizer-BioNTech
2	2021-03-30	Pfizer-BioNTech
3	2022-01-12	Pfizer-BioNTech	No
4	2022-07-29	Pfizer-BioNTech	No

Call center

Reported	Outcome	VAERS-related outcome
2022-07-15	Successful 2022-07-18	Participant prefers to complete VAERS report online
2022-10-29	Successful 2022-11-01	Not applicable – Participant does not believe symptoms are related to vaccine and does not wish to fill

Free text

Release 12 — 6 months, dose 3

2022-07-15

Symptoms: Menstrual cycle returned on June 17 2022 approximately 13 months after it happen a week after the 2nd Pfizer dose.

Healthcare visit (other): Obgyn check

Release 12 — 3 months, dose 4

2022-10-29

Symptoms: Period returned for the second time. DNC biopsy performed. Results were negative. No further bleeding. However hot flashes returned and were not frequent and severe. Started estrogen patch and progesterone.

Healthcare visit (other): Biopsy

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	·	·	✓
HCVO	Unevaluable event	·	·	✓
SD	Hot flush	·	·	✓
SD	Menstruation irregular	·	·	✓

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