BTC-33437-94230 · OpenVSafe

Timeline

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

2021-03-30
Registered in v-safe
2021-03-30
Dose 1 — Pfizer-BioNTech
2021-03-30
Health check-in — day 0, dose 1
Feeling: Good · Site: Pain, Itching · Muscle or body aches, Fatigue or tiredness, Nausea

Adult check-in
2021-03-31
Health check-in — days 1–6 daily, dose 1
Feeling: Good · Site: Pain · Muscle or body aches

Adult check-in
2021-04-01
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-04-02
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

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

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

Adult check-in
2021-04-05
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-04-06
Health check-in — day 7, dose 1
Feeling: Good · None

Adult check-in
2021-04-13
Survey response — day 14, dose 1
MedDRA: Muscular weakness — Feeling: Fair

Free text: Arm weakness on side of shot

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-20
Dose 2 — Pfizer-BioNTech
2021-04-21
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, Nausea · Be unable to work, Be unable to do your normal daily activities

Adult check-in
2021-04-22
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · Headache, Muscle or body aches, Fatigue or tiredness

Adult check-in
2021-04-23
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · Muscle or body aches, Fatigue or tiredness

Adult check-in
2021-04-24
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-04-25
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-04-26
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-04-30
Health check-in — day 7, dose 2
Feeling: Good · None

Adult check-in
2021-05-04
Health check-in — day 14, dose 2
Feeling: Good

Adult check-in
2021-05-11
Health check-in — day 21, dose 2
Feeling: Good

Adult check-in
2021-05-18
Health check-in — day 28, dose 2
Feeling: Good

Adult check-in
2021-05-25
Health check-in — day 35, dose 2
Feeling: Good

Adult check-in
2021-06-01
Health check-in — day 42, dose 2
Feeling: Fair

Adult check-in
2021-07-20
Survey response — 3 months, dose 2
MedDRA: Menstrual disorder, Menstruation irregular, Reaction to previous exposure to any vaccine — Feeling: Fair

Free text: Two periods and menstrual cycles shortly after both vaccinations were abnormal. The most recent one however was more normal.

MedDRA releases: 2024-11 · check-in free text available
2021-10-19
Survey response — 6 months, dose 2
MedDRA: Office visit, Pregnancy — Feeling: Good · Get care from a doctor or other healthcare professional

Free text: Symptoms: Pregnancy · Healthcare visit (other): Regular visit

MedDRA releases: 2024-11 · check-in free text available
2021-10-19
Report sent to call center — 6 months, dose 2
Get care from a doctor or other healthcare professional

1 call case(s)
2021-10-25
Call 1 — Could Not Reach Participant
2021-10-29
Dose 3 — Pfizer-BioNTech
2022-04-20
Survey response — 12 months, dose 2
MedDRA: Pregnancy — 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 · Telehealth, virtual health, or email health consultation

Free text: Pregnancy

MedDRA releases: 2024-11 · check-in free text available
2022-04-20
Report sent to call center — 12 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

Telehealth, virtual health, or email health consultation · 1 call case(s)
2022-04-22
Call successful
Not applicable – Participant does not believe symptoms are related to vaccine and does not wish to fill
2022-04-27
Dose 4 — Pfizer-BioNTech
2022-04-29
Health check-in — 6 months, dose 3
Feeling: Good

Adult check-in
2022-07-27
Health check-in — 3 months, dose 4
Feeling: Good

Adult check-in
2022-10-26
Health check-in — 6 months, dose 4
Feeling: Good

Adult check-in
2023-04-27
Health check-in — 12 months, dose 4
Feeling: Good

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-03-30	Pfizer-BioNTech
2	2021-04-20	Pfizer-BioNTech
3	2021-10-29	Pfizer-BioNTech	No
4	2022-04-27	Pfizer-BioNTech	No

Call center

2 call center cases

2 successful

See the call center timeline

Free text

Release 7 — day 14, dose 1

2021-04-13

Symptoms: Arm weakness on side of shot

Release 9 — 3 months, dose 2

2021-07-20

Symptoms: Two periods and menstrual cycles shortly after both vaccinations were abnormal. The most recent one however was more normal.

Release 10 — 6 months, dose 2

2021-10-19

Symptoms: Pregnancy

Healthcare visit (other): Regular visit

Release 11 — 12 months, dose 2

2022-04-20

Symptoms: Pregnancy

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	Menstrual disorder	·	·	✓
SD	Menstruation irregular	·	·	✓
SD	Muscular weakness	✓	✓	✓
SD	Pregnancy	·	·	✓
SD	Reaction to previous exposure to any vaccine	·	·	✓

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