ZXF-17081-74338

4 vaccinations 9 coded responses 26 check-ins 9 free-text entries 1 call case

Sex: Male
Age at first dose: 66+
ZIP prefix: 956 / CA
Registered: 2021-01-16

Relationship: Self
Race: White
Ethnicity: Not Hispanic or Latino

Timeline

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

2021-01-15
Dose 1 — Pfizer-BioNTech
2021-01-16
Registered in v-safe
2021-01-16
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-01-17
Survey response — days 1–6 daily, dose 1
MedDRA: Dizziness — Feeling: Good · Fatigue or tiredness

Free text: Light headedness

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-01-18
Survey response — days 1–6 daily, dose 1
MedDRA: Pre-existing disease — Feeling: Good

Free text: Chronic Congestive heart failure

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-01-19
Survey response — days 1–6 daily, dose 1
MedDRA: Cardiac failure congestive — Feeling: Good

Free text: Congestive heart failure reported before

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-01-21
Survey response — days 1–6 daily, dose 1
MedDRA: Cardiac failure congestive — Feeling: Good · Muscle or body aches

Free text: Congestive heart failure

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-01-22
Survey response — day 7, dose 1
MedDRA: Chronic left ventricular failure, Pre-existing disease — Feeling: Poor · Fatigue or tiredness, Diarrhea · Be unable to do your normal daily activities

Free text: Chronic systolic congestive heart failure

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-01-29
Health check-in — day 14, dose 1
Feeling: Good

Adult check-in
2021-02-05
Survey response — day 21, dose 1
MedDRA: Back pain, Gait disturbance, Hypoaesthesia, Musculoskeletal discomfort, Peripheral coldness — Feeling: Good

Free text: Numbness mostly in right knee and cold lower legs and feet at night, probably caused by compressed lumbar disc. Causes difficulty and discomfort in lower back when walking. Pain in upper back when sitting at computer for extended periods.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-02-06
Dose 2 — Pfizer-BioNTech
2021-02-12
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Site: Pain · Muscle or body aches, Fatigue or tiredness, Nausea

Adult check-in
2021-02-13
Health check-in — day 7, dose 2
Feeling: Good · None

Adult check-in
2021-02-20
Health check-in — day 14, dose 2
Feeling: Good

Adult check-in
2021-02-27
Health check-in — day 21, dose 2
Feeling: Good

Adult check-in
2021-03-06
Health check-in — day 28, dose 2
Feeling: Good

Adult check-in
2021-03-13
Health check-in — day 35, dose 2
Feeling: Good

Adult check-in
2021-03-20
Survey response — day 42, dose 2
MedDRA: Dizziness, Gait disturbance — Feeling: Poor

Free text: Unsteady walking and dizziness in mornings, improving as day goes on. May be effect of the heart medications I am taking.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-08
Health check-in — 3 months, dose 2
Feeling: Good

Adult check-in
2021-08-07
Health check-in — 6 months, dose 2
Feeling: Fair

Adult check-in
2021-10-13
Dose 3 — Pfizer-BioNTech
Co-administered: Flu
2022-02-06
Survey response — 12 months, dose 2
MedDRA: Back pain, Cardiac failure congestive, Foraminotomy, Gait disturbance, Muscular weakness, Spinal stenosis — Feeling: Poor · Be unable to work or attend school, Get care from a doctor or other healthcare professional · Telehealth, virtual health, or email health consultation, Outpatient clinic or urgent care clinic visit, Hospitalization

Free text: Symptoms: Muscle weakness and insteadiness when walking; lower back pain from spinal stenosis: diagnosed congestive heart failure. · Healthcare visit (other): Had foraminotomy done Aug 19

MedDRA releases: 2024-11 · check-in free text available
2022-02-06
Report sent to call center — 12 months, dose 2
Be unable to work or attend school · Get care from a doctor or other healthcare professional

Telehealth, virtual health, or email health consultation · Outpatient clinic or urgent care clinic visit · Hospitalization · 1 call case(s)
2022-02-09
Call 1 — Left Voicemail
2022-03-30
Dose 4 — Pfizer-BioNTech
2022-04-19
Health check-in — day 14, dose 4
Feeling: Good

Adult check-in
2022-04-20
Health check-in — day 21, dose 4
Feeling: Good

Adult check-in
2022-04-27
Health check-in — day 28, dose 4
Feeling: Good

Adult check-in
2022-05-04
Survey response — day 35, dose 4
MedDRA: Back pain, Mobility decreased — Feeling: Fair

Free text: Back pain and mobility difficulties.

MedDRA releases: 2024-11 · check-in free text available
2022-05-11
Health check-in — day 42, dose 4
Feeling: Fair

Adult check-in
2022-06-29
Health check-in — 3 months, dose 4
Feeling: Good

Adult check-in
2022-09-30
Health check-in — 6 months, dose 4
Feeling: Good

Adult check-in
2023-03-30
Health check-in — 12 months, dose 4
Feeling: Good

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-01-15	Pfizer-BioNTech
2	2021-02-06	Pfizer-BioNTech
3	2021-10-13	Pfizer-BioNTech	Flu
4	2022-03-30	Pfizer-BioNTech	No

Call center

1 call center case

1 unsuccessful

See the call center timeline

Free text

Release 2 — days 1–6 daily, dose 1

2021-01-17

Systemic reaction (other): Light headedness

2021-01-18

Systemic reaction (other): Chronic Congestive heart failure

2021-01-19

Systemic reaction (other): Congestive heart failure reported before

2021-01-21

Systemic reaction (other): Congestive heart failure

Release 2 — day 7, dose 1

2021-01-22

Systemic reaction (other): Chronic systolic congestive heart failure

Release 3 — day 21, dose 1

2021-02-05

Symptoms: Numbness mostly in right knee and cold lower legs and feet at night, probably caused by compressed lumbar disc. Causes difficulty and discomfort in lower back when walking. Pain in upper back when sitting at computer for extended periods.

Release 6 — day 42, dose 2

2021-03-20

Symptoms: Unsteady walking and dizziness in mornings, improving as day goes on. May be effect of the heart medications I am taking.

Release 11 — 12 months, dose 2

2022-02-06

Symptoms: Muscle weakness and insteadiness when walking; lower back pain from spinal stenosis: diagnosed congestive heart failure.

Healthcare visit (other): Had foraminotomy done Aug 19

Release 11 — day 35, dose 4

2022-05-04

Symptoms: Back pain and mobility difficulties.

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	Foraminotomy	·	·	✓
SD	Back pain	✓	✓	✓
SD	Cardiac failure congestive	·	·	✓
SD	Dizziness	✓	✓	✓
SD	Gait disturbance	✓	✓	✓
SD	Hypoaesthesia	✓	✓	✓
SD	Mobility decreased	·	·	✓
SD	Muscular weakness	·	·	✓
SD	Musculoskeletal discomfort	✓	✓	✓
SD	Peripheral coldness	✓	✓	✓
SD	Spinal stenosis	·	·	✓
SRO	Cardiac failure congestive	✓	✓	✓
SRO	Chronic left ventricular failure	○	✓	○
SRO	Dizziness	✓	✓	✓
SRO	Pre-existing disease	✓	✓	✓

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