2BJ-13950-52439

2 vaccinations 9 coded responses 16 check-ins 9 free-text entries 3 call cases

Sex: Female
Age at first dose: 31-35
ZIP prefix: 917 / CA
Registered: 2021-03-17

Relationship: Self
Race: White
Ethnicity: N/A

Timeline

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

2021-03-03
Dose 1 — Pfizer-BioNTech
2021-03-17
Registered in v-safe
2021-03-17
Survey response — day 14, dose 1
MedDRA: Chest discomfort, Emergency care, Paraesthesia — Feeling: Fair · Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional · Emergency room or emergency department visit

Free text: chest tightness, left arm tingling. Went to ER ekg and X-ray came back fine

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-17
Report sent to call center — day 14, dose 1
Be unable to do your normal daily activities · Get care from a doctor or other healthcare professional

1 call case(s)
2021-03-24
Dose 2 — Pfizer-BioNTech
2021-03-25
Health check-in — days 1–6 daily, dose 2
Feeling: Poor · Site: Pain · Fever · Chills, Headache, Joint pains, Muscle or body aches, Fatigue or tiredness, Nausea · Be unable to work, Be unable to do your normal daily activities

Adult check-in
2021-03-26
Survey response — days 1–6 daily, dose 2
MedDRA: Dizziness — Feeling: Fair · Site: Pain · Headache, Muscle or body aches, Diarrhea · Be unable to do your normal daily activities

Free text: Light headedness

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-27
Survey response — days 1–6 daily, dose 2
MedDRA: Dizziness, Feeling abnormal — Feeling: Fair · Headache, Fatigue or tiredness · Be unable to work, Be unable to do your normal daily activities

Free text: Light headedness and foggy

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-28
Survey response — days 1–6 daily, dose 2
MedDRA: Dizziness — Feeling: Fair · Headache

Free text: Dizziness

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-29
Survey response — days 1–6 daily, dose 2
MedDRA: Dizziness, Feeling abnormal — Feeling: Fair · Fatigue or tiredness

Free text: Some light headedness and brain fog but its getting a bit better each day.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-30
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Headache, Fatigue or tiredness

Adult check-in
2021-03-31
Survey response — day 7, dose 2
MedDRA: Dizziness — Feeling: Fair · Headache, Fatigue or tiredness

Free text: Dizzyness

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-07
Health check-in — day 14, dose 2
Feeling: Fair

Adult check-in
2021-04-14
Health check-in — day 21, dose 2
Feeling: Fair

Adult check-in
2021-04-21
Health check-in — day 28, dose 2
Feeling: Fair

Adult check-in
2021-04-29
Survey response — day 35, dose 2
MedDRA: Brain fog, Fatigue — Feeling: Fair · Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional · Telehealth, virtual health, or email health consultation

Free text: Brain Fog and fatigue that hasn't gone away

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-29
Report sent to call center — day 35, dose 2
Be unable to do your normal daily activities · Get care from a doctor or other healthcare professional

1 call case(s)
2021-05-10
Health check-in — day 42, dose 2
Feeling: Fair

Adult check-in
2021-06-23
Survey response — 3 months, dose 2
MedDRA: Head discomfort, Paraesthesia — 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, Emergency room or emergency department visit

Free text: Tingling feet. Head pressure.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-06-23
Report sent to call center — 3 months, dose 2
Be unable to work or attend school · Get care from a doctor or other healthcare professional

1 call case(s)
2021-06-29
Call 1 — Left Voicemail
2021-09-28
Survey response — 6 months, dose 2
MedDRA: Burning sensation, Headache, Neuropathy peripheral, Paraesthesia — Feeling: Fair · Be unable to work or attend school, Be unable to do your normal daily activities

Free text: I was having pretty bad headaches in june as well as tingling and burning in feet (eeg came back normal) but I was diagnosed with mild neuropathy in July.

MedDRA releases: 2024-11 · check-in free text available
2022-03-24
Health check-in — 12 months, dose 2
Feeling: Fair

Adult check-in

Vaccinations

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

Call center

3 call center cases

3 unsuccessful

See the call center timeline

Free text

Release 5 — day 14, dose 1

2021-03-17

Symptoms: chest tightness, left arm tingling. Went to ER ekg and X-ray came back fine

Release 6 — days 1–6 daily, dose 2

2021-03-26

Systemic reaction (other): Light headedness

2021-03-27

Systemic reaction (other): Light headedness and foggy

2021-03-28

Systemic reaction (other): Dizziness

2021-03-29

Systemic reaction (other): Some light headedness and brain fog but its getting a bit better each day.

Release 6 — day 7, dose 2

2021-03-31

Systemic reaction (other): Dizzyness

Release 8 — day 35, dose 2

2021-04-29

Symptoms: Brain Fog and fatigue that hasn't gone away

Release 9 — 3 months, dose 2

2021-06-23

Symptoms: Tingling feet. Head pressure.

Release 9 — 6 months, dose 2

2021-09-28

Symptoms: I was having pretty bad headaches in june as well as tingling and burning in feet (eeg came back normal) but I was diagnosed with mild neuropathy in July.

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	Burning sensation	·	·	✓
SD	Chest discomfort	✓	✓	✓
SD	Emergency care	✓	✓	✓
SD	Fatigue	✓	✓	✓
SD	Head discomfort	✓	✓	✓
SD	Headache	·	·	✓
SD	Neuropathy peripheral	·	·	✓
SD	Paraesthesia	✓	✓	✓
SRO	Dizziness	✓	✓	✓
SRO	Feeling abnormal	✓	✓	✓

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