4RP-27003-72089 · OpenVSafe

Timeline

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

2021-01-28
Registered in v-safe
2021-01-28
Dose 1 — Pfizer-BioNTech
2021-01-28
Health check-in — day 0, dose 1
Feeling: Fair · Site: Pain · None

Adult check-in
2021-01-29
Health check-in — days 1–6 daily, dose 1
Feeling: Fair · Site: Pain · Chills, Headache, Fatigue or tiredness

Adult check-in
2021-01-31
Health check-in — days 1–6 daily, dose 1
Feeling: Fair · Chills, Fatigue or tiredness

Adult check-in
2021-02-01
Health check-in — days 1–6 daily, dose 1
Feeling: Fair · Fatigue or tiredness

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

Adult check-in
2021-02-03
Health check-in — days 1–6 daily, dose 1
Feeling: Fair · Fatigue or tiredness

Adult check-in
2021-02-04
Health check-in — day 7, dose 1
Feeling: Fair · Fatigue or tiredness

Adult check-in
2021-02-11
Health check-in — day 14, dose 1
Feeling: Fair

Adult check-in
2021-02-18
Dose 2 — Pfizer-BioNTech
2021-02-21
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Site: Redness · Joint pains, Fatigue or tiredness

Adult check-in
2021-02-22
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Site: Redness · Fatigue or tiredness

Adult check-in
2021-02-23
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Fatigue or tiredness

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

Adult check-in
2021-02-25
Health check-in — day 7, dose 2
Feeling: Fair · Site: Redness · None

Adult check-in
2021-03-04
Health check-in — day 14, dose 2
Feeling: Fair

Adult check-in
2021-03-11
Health check-in — day 21, dose 2
Feeling: Good

Adult check-in
2021-03-18
Health check-in — day 28, dose 2
Feeling: Good

Adult check-in
2021-03-25
Health check-in — day 35, dose 2
Feeling: Good

Adult check-in
2021-04-01
Health check-in — day 42, dose 2
Feeling: Good

Adult check-in
2021-05-20
Health check-in — 3 months, dose 2
Feeling: Good

Adult check-in
2021-08-19
Health check-in — 6 months, dose 2
Feeling: Good

Adult check-in
2021-12-08
Dose 3 — Pfizer-BioNTech
2022-02-20
Survey response — 12 months, dose 2
MedDRA: Brain fog, Fatigue — Feeling: Fair

Free text: Extreme fatigue and brain fog

MedDRA releases: 2024-11 · check-in free text available
2022-06-08
Health check-in — 6 months, dose 3
Feeling: Fair

Adult check-in
2022-12-08
Survey response — 12 months, dose 3
MedDRA: Deafness unilateral, Sudden hearing loss, Vertigo — Feeling: Fair · Be unable to work or attend school, Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional · Outpatient clinic or urgent care clinic visit, Emergency room or emergency department visit

Free text: Sudden hearing loss in right ear after vertigo attack

MedDRA releases: 2024-11 · check-in free text available
2022-12-08
Report sent to call center — 12 months, dose 3
Be unable to work or attend school · Be unable to do your normal daily activities · Get care from a doctor or other healthcare pr

Outpatient clinic or urgent care clinic visit · Emergency room or emergency department visit · 1 call case(s)
2022-12-09
Call 1 — Left Voicemail

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-01-28	Pfizer-BioNTech
2	2021-02-18	Pfizer-BioNTech
3	2021-12-08	Pfizer-BioNTech	No

Call center

Reported	Outcome	VAERS-related outcome
2022-12-08	Unsuccessful

Free text

Release 11 — 12 months, dose 2

2022-02-20

Symptoms: Extreme fatigue and brain fog

Release 12 — 12 months, dose 3

2022-12-08

Symptoms: Sudden hearing loss in right ear after vertigo attack

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	Brain fog	·	·	✓
SD	Deafness unilateral	·	·	✓
SD	Fatigue	·	·	✓
SD	Sudden hearing loss	·	·	✓
SD	Vertigo	·	·	✓

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