YY8-18035-29020 · OpenVSafe

Timeline

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

2021-03-24
Dose 1 — Pfizer-BioNTech
2021-04-14
Registered in v-safe
2021-04-14
Dose 2 — Pfizer-BioNTech
2021-04-14
Health check-in — day 0, dose 2
Feeling: Good · None

Adult check-in
2021-04-15
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · Fatigue or tiredness

Adult check-in
2021-04-16
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Fatigue or tiredness

Adult check-in
2021-04-17
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-04-19
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · None

Adult check-in
2021-04-20
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · None

Adult check-in
2021-04-21
Survey response — day 7, dose 2
MedDRA: Inner ear disorder, Respiratory tract congestion — Feeling: Good · Muscle or body aches

Free text: I've noticed that after the 1st and 2nd covid shot a slight pressure in ears that you feel when you get sick with congestion but not sick.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-28
Health check-in — day 14, dose 2
Feeling: Good

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

Adult check-in
2021-05-12
Health check-in — day 28, dose 2
Feeling: Good

Adult check-in
2021-05-19
Health check-in — day 35, dose 2
Feeling: Good

Adult check-in
2021-05-26
Health check-in — day 42, dose 2
Feeling: Good

Adult check-in
2021-07-14
Health check-in — 3 months, dose 2
Feeling: Good

Adult check-in
2021-10-13
Health check-in — 6 months, dose 2
Feeling: Good

Adult check-in
2022-04-16
Survey response — 12 months, dose 2
MedDRA: Office visit, Palpitations, Sinus arrhythmia — Feeling: Good · Get care from a doctor or other healthcare professional

Free text: Symptoms: Diagnosed with sinus arrhythmia. Heart palpitations begin about 6 weeks after my 2nd covid shot. I have no other health conditions and very healthy. Introducing something viral like a covid shot can impact immune system which can effect the heart. · Healthcare visit (other): Cardiologist

MedDRA releases: 2024-11 · check-in free text available
2022-04-16
Report sent to call center — 12 months, dose 2
Get care from a doctor or other healthcare professional

1 call case(s)
2022-04-20
Call successful
Participant prefers to complete VAERS report online

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-03-24	Pfizer-BioNTech
2	2021-04-14	Pfizer-BioNTech

Call center

Reported	Outcome	VAERS-related outcome
2022-04-16	Successful 2022-04-20	Participant prefers to complete VAERS report online

Free text

Release 7 — day 7, dose 2

2021-04-21

Systemic reaction (other): I've noticed that after the 1st and 2nd covid shot a slight pressure in ears that you feel when you get sick with congestion but not sick.

Release 11 — 12 months, dose 2

2022-04-16

Symptoms: Diagnosed with sinus arrhythmia. Heart palpitations begin about 6 weeks after my 2nd covid shot. I have no other health conditions and very healthy. Introducing something viral like a covid shot can impact immune system which can effect the heart. cut off by CDC

Healthcare visit (other): Cardiologist

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	Palpitations	·	·	✓
SD	Sinus arrhythmia	·	·	✓
SRO	Inner ear disorder	✓	✓	✓
SRO	Respiratory tract congestion	✓	✓	✓

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