5VD-27641-31532 · OpenVSafe

Timeline

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

2021-08-10
Dose 1 — Pfizer-BioNTech
2021-08-11
Registered in v-safe
2021-08-11
Health check-in — days 1–6 daily, dose 1
Feeling: Fair · Site: Pain · Fatigue or tiredness, Diarrhea

Adult check-in
2021-08-12
Survey response — days 1–6 daily, dose 1
MedDRA: Brain fog, Palpitations — Feeling: Fair · Fatigue or tiredness

Free text: Brain fog and some heart palpitations

MedDRA releases: 2021-09,2024-11 · check-in free text available
2021-08-13
Health check-in — days 1–6 daily, dose 1
Feeling: Fair · Fatigue or tiredness, Nausea, Diarrhea

Adult check-in
2021-08-14
Health check-in — days 1–6 daily, dose 1
Feeling: Good · Fatigue or tiredness, Nausea, Diarrhea

Adult check-in
2021-08-15
Health check-in — days 1–6 daily, dose 1
Feeling: Good · Diarrhea

Adult check-in
2021-08-17
Health check-in — day 7, dose 1
Feeling: Good · Fatigue or tiredness

Adult check-in
2021-08-24
Health check-in — day 14, dose 1
Feeling: Good

Adult check-in
2021-08-31
Dose 2 — Pfizer-BioNTech
2021-08-31
Survey response — day 0, dose 2
MedDRA: Uterine contractions during pregnancy — Feeling: Good · Fatigue or tiredness, Abdominal pain

Free text: Increased Braxton Hicks currently 25 weeks pregnant

MedDRA releases: 2021-09,2024-11 · check-in free text available
2021-09-01
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Site: Pain, Redness · Muscle or body aches, Fatigue or tiredness, Nausea, Abdominal pain · Be unable to work or attend school, Be unable to do your normal daily activities

Adult check-in
2021-09-02
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Site: Pain · Fatigue or tiredness, Nausea

Adult check-in
2021-09-03
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · Fatigue or tiredness, Nausea

Adult check-in
2021-09-04
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Fatigue or tiredness, Diarrhea

Adult check-in
2021-09-05
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Fatigue or tiredness, Nausea

Adult check-in
2021-09-06
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Fatigue or tiredness

Adult check-in
2021-09-07
Health check-in — day 7, dose 2
Feeling: Good · Fatigue or tiredness, Nausea

Adult check-in
2021-09-14
Health check-in — day 14, dose 2
Feeling: Good

Adult check-in
2021-09-21
Health check-in — day 21, dose 2
Feeling: Good

Adult check-in
2021-09-28
Health check-in — day 28, dose 2
Feeling: Fair

Adult check-in
2021-10-05
Health check-in — day 35, dose 2
Feeling: Good

Adult check-in
2021-10-12
Health check-in — day 42, dose 2
Feeling: Good

Adult check-in
2021-11-30
Health check-in — 3 months, dose 2
Feeling: Good

Adult check-in
2022-03-01
Health check-in — 6 months, dose 2
Feeling: Good

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-08-10	Pfizer-BioNTech	No
2	2021-08-31	Pfizer-BioNTech	No

Free text

Release 9 — days 1–6 daily, dose 1

2021-08-12

Systemic reaction (other): Brain fog and some heart palpitations

Release 9 — day 0, dose 2

2021-08-31

Systemic reaction (other): Increased Braxton Hicks currently 25 weeks pregnant

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
SRO	Brain fog	✓	·	✓
SRO	Palpitations	✓	·	✓
SRO	Uterine contractions during pregnancy	✓	·	✓

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