48T-31233-45863 · OpenVSafe

Timeline

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

2021-04-09
Registered in v-safe
2021-04-09
Dose 1 — Pfizer-BioNTech
2021-04-09
Health check-in — day 0, dose 1
Feeling: Good · None

Adult check-in
2021-04-10
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-04-11
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-04-12
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-04-13
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-04-14
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-04-16
Survey response — day 7, dose 1
MedDRA: Chest discomfort — Feeling: Good

Free text: Ive had a feeling of tightness in the chest area since the vaccination. Its been a week and the feeling is still there, to a lesser degree.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-23
Health check-in — day 14, dose 1
Feeling: Good

Adult check-in
2021-07-09
Survey response — 3 months, dose 1
MedDRA: Chest discomfort, Emergency care, Heart rate increased, Immediate post-injection reaction, Palpitations — Feeling: Fair · Get care from a doctor or other healthcare professional · Telehealth, virtual health, or email health consultation, Emergency room or emergency department visit

Free text: Symptoms: As I mentioned in my last update, within two minutes of the shot on 04/09/21 my heart rate increased and my chest became tight. The tightness in the chest lasted for multiple days. On the night of 04/26/21, I began having heart palpitations at night · Healthcare visit (other): The heart palpitations at night caused me to go to a hospital emergency room on the night of 04/30/21. Ive since been to a cardiologist and tests are in process. I have similar symptoms to those that incurred myocarditis subsequent to a Pfizer Sht

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-07-09
Report sent to call center — 3 months, dose 1
Get care from a doctor or other healthcare professional

1 call case(s)
2021-07-15
Call successful
Participant prefers to complete VAERS report online
2021-10-10
Health check-in — 6 months, dose 1
Feeling: Good

Adult check-in
2022-04-09
Health check-in — 12 months, dose 1
Feeling: Good

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-04-09	Pfizer-BioNTech

Call center

1 call center case

1 successful

See the call center timeline

Free text

Release 7 — day 7, dose 1

2021-04-16

Systemic reaction (other): Ive had a feeling of tightness in the chest area since the vaccination. Its been a week and the feeling is still there, to a lesser degree.

Release 9 — 3 months, dose 1

2021-07-09

Symptoms: As I mentioned in my last update, within two minutes of the shot on 04/09/21 my heart rate increased and my chest became tight. The tightness in the chest lasted for multiple days. On the night of 04/26/21, I began having heart palpitations at night cut off by CDC

Healthcare visit (other): The heart palpitations at night caused me to go to a hospital emergency room on the night of 04/30/21. Ive since been to a cardiologist and tests are in process. I have similar symptoms to those that incurred myocarditis subsequent to a Pfizer Sht cut off by CDC

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	Emergency care	✓	✓	✓
HCVO	Palpitations	✓	✓	✓
SD	Chest discomfort	✓	✓	✓
SD	Heart rate increased	✓	✓	✓
SD	Immediate post-injection reaction	✓	✓	✓
SRO	Chest discomfort	✓	✓	✓

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