YCZ-32425-19772 · OpenVSafe

Timeline

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

2021-03-31
Registered in v-safe
2021-03-31
Dose 1 — Pfizer-BioNTech
2021-03-31
Survey response — day 0, dose 1
MedDRA: Dizziness, Vertigo — Feeling: Good

Free text: A slight vertigo or dizziness that lasted 10 seconds

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
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
Survey response — days 1–6 daily, dose 1
MedDRA: Gastrooesophageal reflux disease, Oropharyngeal pain — Feeling: Good

Free text: Slight acid reflux that makes my throat a little sore. Dont think its related to the vaccine though.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
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 — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-04-07
Health check-in — day 7, dose 1
Feeling: Fair · Diarrhea · Be unable to do your normal daily activities

Adult check-in
2021-04-14
Health check-in — day 14, dose 1
Feeling: Good

Adult check-in
2021-04-21
Dose 2 — Pfizer-BioNTech
2021-04-21
Health check-in — day 0, dose 2
Feeling: Good · Site: Pain · Fatigue or tiredness

Adult check-in
2021-04-22
Survey response — days 1–6 daily, dose 2
MedDRA: Abdominal distension, Cough, Flatulence, Pyrexia, Respiratory tract irritation, Self-medication, Throat irritation — Feeling: Fair · Site: Pain · Fever · Chills, Headache, Muscle or body aches · Be unable to do your normal daily activities

Free text: Gas and little bloating. Itchy throat and chest that made me cough minutes after taking Tylenol for my fever. Its calming down now.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-23
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · None

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
2021-04-27
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-04-28
Health check-in — day 7, dose 2
Feeling: Good · None

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

Adult check-in
2021-05-12
Health check-in — day 21, dose 2
Feeling: Good

Adult check-in
2021-05-19
Health check-in — day 28, dose 2
Feeling: Good

Adult check-in
2021-05-26
Health check-in — day 35, dose 2
Feeling: Good

Adult check-in
2021-06-02
Survey response — day 42, dose 2
MedDRA: Abdominal distension, Abdominal pain, Diarrhoea — Feeling: Fair · Be unable to do your normal daily activities

Free text: Bloating, diarrhea, abdominal pains

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-07-21
Survey response — 3 months, dose 2
MedDRA: Abdominal distension, Back pain, Constipation, Diarrhoea, Gastrooesophageal reflux disease, Office visit — Feeling: Good · Get care from a doctor or other healthcare professional

Free text: Symptoms: Bloating, constipation, diarrhea, acid reflex, sore back. · Healthcare visit (other): Regular doctor visit with my primary doctor

MedDRA releases: 2024-11 · check-in free text available
2021-07-21
Report sent to call center — 3 months, dose 2
Get care from a doctor or other healthcare professional

1 call case(s)
2021-07-27
Call 1 — Could Not Reach Participant
2021-07-30
Call 2 — Could Not Reach Participant
2021-08-03
Call 3 — Could Not Reach Participant
2021-10-20
Health check-in — 6 months, dose 2
Feeling: Good

Adult check-in
2022-04-21
Health check-in — 12 months, dose 2
Feeling: Good

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-03-31	Pfizer-BioNTech
2	2021-04-21	Pfizer-BioNTech

Call center

Reported	Outcome	VAERS-related outcome
2021-07-21	Unsuccessful

Free text

Release 6 — day 0, dose 1

2021-03-31

Systemic reaction (other): A slight vertigo or dizziness that lasted 10 seconds

Release 6 — days 1–6 daily, dose 1

2021-04-03

Systemic reaction (other): Slight acid reflux that makes my throat a little sore. Dont think its related to the vaccine though.

Release 7 — days 1–6 daily, dose 2

2021-04-22

Systemic reaction (other): Gas and little bloating. Itchy throat and chest that made me cough minutes after taking Tylenol for my fever. Its calming down now.

Release 8 — day 42, dose 2

2021-06-02

Symptoms: Bloating, diarrhea, abdominal pains

Release 9 — 3 months, dose 2

2021-07-21

Symptoms: Bloating, constipation, diarrhea, acid reflex, sore back.

Healthcare visit (other): Regular doctor visit with my primary doctor

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	Abdominal distension	✓	✓	✓
SD	Abdominal pain	✓	✓	✓
SD	Back pain	·	·	✓
SD	Constipation	·	·	✓
SD	Diarrhoea	✓	✓	✓
SD	Gastrooesophageal reflux disease	·	·	✓
SRO	Abdominal distension	✓	✓	✓
SRO	Cough	✓	✓	✓
SRO	Dizziness	✓	✓	✓
SRO	Flatulence	✓	✓	✓
SRO	Gastrooesophageal reflux disease	✓	✓	✓
SRO	Oropharyngeal pain	✓	✓	✓
SRO	Pyrexia	✓	✓	✓
SRO	Respiratory tract irritation	✓	✓	✓
SRO	Self-medication	✓	✓	✓
SRO	Throat irritation	✓	✓	✓
SRO	Vertigo	✓	✓	✓

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