2EC-31850-12063 · OpenVSafe

Timeline

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

2021-02-26
Registered in v-safe
2021-02-26
Dose 1 — Pfizer-BioNTech
2021-02-26
Survey response — day 0, dose 1
MedDRA: Dizziness — Feeling: Fair · Site: Pain · Chills, Headache, Fatigue or tiredness

Free text: Dizziness

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-02-27
Health check-in — days 1–6 daily, dose 1
Feeling: Good · Site: Pain · Chills, Headache, Fatigue or tiredness

Adult check-in
2021-02-28
Health check-in — days 1–6 daily, dose 1
Feeling: Fair · Site: Pain · Chills, Headache, Muscle or body aches, Fatigue or tiredness

Adult check-in
2021-03-01
Health check-in — days 1–6 daily, dose 1
Feeling: Good · Chills, Headache, Muscle or body aches, Fatigue or tiredness

Adult check-in
2021-03-02
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-03-03
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-03-04
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-03-05
Health check-in — day 7, dose 1
Feeling: Good · None

Adult check-in
2021-03-12
Health check-in — day 14, dose 1
Feeling: Good

Adult check-in
2021-03-19
Dose 2 — Pfizer-BioNTech
2021-03-19
Health check-in — day 0, dose 2
Feeling: Good · Headache

Adult check-in
2021-03-20
Health check-in — days 1–6 daily, dose 2
Feeling: Poor · Site: Pain · Fever · Chills, Headache, Joint pains, Muscle or body aches, Fatigue or tiredness, Diarrhea · Be unable to do your normal daily activities

Adult check-in
2021-03-21
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · Headache, Muscle or body aches, Fatigue or tiredness

Adult check-in
2021-03-22
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · Chills, Headache, Joint pains, Muscle or body aches, Fatigue or tiredness

Adult check-in
2021-03-23
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-03-24
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-03-25
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-03-26
Health check-in — day 7, dose 2
Feeling: Good · None

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

Adult check-in
2021-04-09
Health check-in — day 21, dose 2
Feeling: Good

Adult check-in
2021-04-16
Health check-in — day 28, dose 2
Feeling: Good

Adult check-in
2021-04-25
Health check-in — day 35, dose 2
Feeling: Good

Adult check-in
2021-04-30
Health check-in — day 42, dose 2
Feeling: Good

Adult check-in
2021-06-20
Survey response — 3 months, dose 2
MedDRA: Arthralgia, Fatigue — Feeling: Good · Be unable to do your normal daily activities

Free text: Achy joints, fatigue

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-09-17
Health check-in — 6 months, dose 2
Feeling: Good

Adult check-in
2022-03-21
Survey response — 12 months, dose 2
MedDRA: Joint stiffness, Pain — Feeling: Good

Free text: Unusually Achy body, stiff joints

MedDRA releases: 2024-11 · check-in free text available

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-02-26	Pfizer-BioNTech
2	2021-03-19	Pfizer-BioNTech

Free text

Release 4 — day 0, dose 1

2021-02-26

Systemic reaction (other): Dizziness

Release 9 — 3 months, dose 2

2021-06-20

Symptoms: Achy joints, fatigue

Release 11 — 12 months, dose 2

2022-03-21

Symptoms: Unusually Achy body, stiff joints

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	Arthralgia	✓	✓	✓
SD	Fatigue	✓	✓	✓
SD	Joint stiffness	·	·	✓
SD	Pain	·	·	✓
SRO	Dizziness	✓	✓	✓

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