4MR-23336-00234 · OpenVSafe

Timeline

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

2021-01-28
Dose 1 — Pfizer-BioNTech
2021-02-19
Registered in v-safe
2021-02-19
Dose 2 — Pfizer-BioNTech
2021-02-19
Health check-in — day 0, dose 2
Feeling: Good · None

Adult check-in
2021-02-20
Survey response — days 1–6 daily, dose 2
MedDRA: Clumsiness, Dizziness — Feeling: Fair · Site: Pain · Chills, Headache, Muscle or body aches, Fatigue or tiredness

Free text: Light headed a bit, clumsy

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-02-21
Survey response — days 1–6 daily, dose 2
MedDRA: Dizziness — Feeling: Fair · Site: Pain · Headache, Muscle or body aches, Fatigue or tiredness

Free text: I have vestibular balance issues as a precondition. Due to a tumor in cochlea many years ago. My balance seems notably worse since the second shot. Should I be concerned or will this pass in few days? My balance is always made worse by stress and fatigue. If Im feeling either or both as a result of the vaccine that could explain the increase in dizziness over the past 48 hours since the shot.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-02-22
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · Diarrhea, Abdominal pain

Adult check-in
2021-02-24
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Fatigue or tiredness

Adult check-in
2021-02-25
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-02-26
Health check-in — day 7, dose 2
Feeling: Good · None

Adult check-in
2021-03-06
Health check-in — day 14, dose 2
Feeling: Good

Adult check-in
2021-03-16
Health check-in — day 21, dose 2
Feeling: Fair

Adult check-in
2021-08-22
Health check-in — 6 months, dose 2
Feeling: Good

Adult check-in
2021-09-10
Dose 3 — Pfizer-BioNTech
2021-09-30
Health check-in — day 14, dose 3
Feeling: Good

Adult check-in
2021-10-01
Health check-in — day 21, dose 3
Feeling: Good

Adult check-in
2021-10-12
Survey response — day 28, dose 3
MedDRA: Office visit, Pulse abnormal — Feeling: Fair · Get care from a doctor or other healthcare professional

Free text: Symptoms: Feeling pulsing movements in abdomen. · Healthcare visit (other): Dr office visit

MedDRA releases: 2024-11 · check-in free text available
2021-10-12
Report sent to call center — day 28, dose 3
Get care from a doctor or other healthcare professional

1 call case(s)
2021-10-22
Health check-in — day 42, dose 3
Feeling: Fair

Adult check-in
2021-11-12
Call successful
Not applicable (accidental reporting or does not believe symptoms are related to vaccine)
2021-12-10
Survey response — 3 months, dose 3
MedDRA: Influenza, Influenza A virus test positive, SARS-CoV-2 test negative — Feeling: Good · Get care from a doctor or other healthcare professional · Telehealth, virtual health, or email health consultation, Outpatient clinic or urgent care clinic visit

Free text: I was confined via positive test Influenza A. A Covid test yielded negative results. Treated for flu A. Much better now. Did have flu shot October 7, 2021. Was over flu in 7-10 days.

MedDRA releases: 2024-11 · check-in free text available
2021-12-10
Report sent to call center — 3 months, dose 3
Get care from a doctor or other healthcare professional

Telehealth, virtual health, or email health consultation · Outpatient clinic or urgent care clinic visit · 1 call case(s)
2021-12-13
Call successful
Not applicable (accidental reporting or does not believe symptoms are related to vaccine)
2022-04-06
Dose 4 — Pfizer-BioNTech
2022-04-15
Health check-in — day 7, dose 4
Feeling: Good · Site: Pain · Fatigue or tiredness

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-01-28	Pfizer-BioNTech
2	2021-02-19	Pfizer-BioNTech
3	2021-09-10	Pfizer-BioNTech	No
4	2022-04-06	Pfizer-BioNTech	No

Call center

2 call center cases

2 successful

See the call center timeline

Free text

Release 4 — days 1–6 daily, dose 2

2021-02-20

Systemic reaction (other): Light headed a bit, clumsy

2021-02-21

Systemic reaction (other): I have vestibular balance issues as a precondition. Due to a tumor in cochlea many years ago. My balance seems notably worse since the second shot. Should I be concerned or will this pass in few days? My balance is always made worse by stress and fatigue. If Im feeling either or both as a result of the vaccine that could explain the increase in dizziness over the past 48 hours since the shot.

Release 10 — day 28, dose 3

2021-10-12

Symptoms: Feeling pulsing movements in abdomen.

Healthcare visit (other): Dr office visit

Release 10 — 3 months, dose 3

2021-12-10

Symptoms: I was confined via positive test Influenza A. A Covid test yielded negative results. Treated for flu A. Much better now. Did have flu shot October 7, 2021. Was over flu in 7-10 days.

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	Influenza	·	·	✓
SD	Influenza A virus test positive	·	·	✓
SD	Pulse abnormal	·	·	✓
SD	SARS-CoV-2 test negative	·	·	✓
SRO	Clumsiness	✓	✓	✓
SRO	Dizziness	✓	✓	✓

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