BXL-73493-14941 · OpenVSafe

Timeline

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

2021-01-01
Dose 1 — Pfizer-BioNTech
2021-01-04
Registered in v-safe
2021-01-05
Health check-in — days 1–6 daily, dose 1
Feeling: Good · Site: Pain · Fatigue or tiredness

Adult check-in
2021-01-06
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-01-07
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-01-08
Health check-in — day 7, dose 1
Feeling: Good · None

Adult check-in
2021-01-15
Health check-in — day 14, dose 1
Feeling: Good

Adult check-in
2021-01-21
Dose 2 — Pfizer-BioNTech
2021-01-22
Survey response — days 1–6 daily, dose 2
MedDRA: Muscle twitching — Feeling: Fair · Site: Pain · Chills, Headache, Muscle or body aches, Fatigue or tiredness · Be unable to do your normal daily activities

Free text: Arm muscle twitching

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-01-23
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · Fatigue or tiredness

Adult check-in
2021-01-24
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-01-25
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-01-26
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-01-27
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-01-28
Health check-in — day 7, dose 2
Feeling: Good · None

Adult check-in
2021-02-04
Health check-in — day 14, dose 2
Feeling: Good

Adult check-in
2021-02-11
Health check-in — day 21, dose 2
Feeling: Good

Adult check-in
2021-02-18
Health check-in — day 28, dose 2
Feeling: Good

Adult check-in
2021-02-25
Survey response — day 35, dose 2
MedDRA: Menstruation irregular — Feeling: Good

Free text: Menstrual period was off

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-04
Health check-in — day 42, dose 2
Feeling: Good

Adult check-in
2021-04-22
Survey response — 3 months, dose 2
MedDRA: Abortion spontaneous — Feeling: Good · Get care from a doctor or other healthcare professional · Outpatient clinic or urgent care clinic visit

Free text: Miscarriage

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-22
Report sent to call center — 3 months, dose 2
Get care from a doctor or other healthcare professional

1 call case(s)
2021-04-24
Call 1 — Left Voicemail
2021-07-22
Health check-in — 6 months, dose 2
Feeling: Good

Adult check-in
2022-01-21
Health check-in — 12 months, dose 2
Feeling: Good

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-01-01	Pfizer-BioNTech
2	2021-01-21	Pfizer-BioNTech

Call center

Reported	Outcome	VAERS-related outcome
2021-04-22	Unsuccessful

Free text

Release 2 — days 1–6 daily, dose 2

2021-01-22

Systemic reaction (other): Arm muscle twitching

Release 4 — day 35, dose 2

2021-02-25

Symptoms: Menstrual period was off

Release 7 — 3 months, dose 2

2021-04-22

Symptoms: Miscarriage

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
SD	Abortion spontaneous	✓	✓	✓
SD	Menstruation irregular	✓	✓	✓
SRO	Muscle twitching	✓	✓	✓

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