M4P-31905-95897

4 vaccinations 21 coded responses 52 check-ins 19 free-text entries 2 call cases

Sex: Female
Age at first dose: 46-50
ZIP prefix: 349 / FL
Registered: 2021-03-19

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

2021-03-17
Dose 1 — Pfizer-BioNTech
2021-03-19
Registered in v-safe
2021-03-19
Survey response — days 1–6 daily, dose 1
MedDRA: Dizziness, Feeling abnormal — Feeling: Fair · Site: Pain · Headache, Fatigue or tiredness · Be unable to work, Be unable to do your normal daily activities

Free text: Dizziness and brain fog

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-20
Survey response — days 1–6 daily, dose 1
MedDRA: Anxiety, Dizziness, Feeling abnormal — Feeling: Fair · Headache, Fatigue or tiredness

Free text: Dizziness, brain fog, anxiety

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-21
Survey response — days 1–6 daily, dose 1
MedDRA: Feeling abnormal — Feeling: Poor · Headache, Muscle or body aches, Fatigue or tiredness, Abdominal pain

Free text: Brain fog

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-22
Survey response — days 1–6 daily, dose 1
MedDRA: Feeling abnormal — Feeling: Good

Free text: A little bit of brain fog this morning, but resolved

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-23
Survey response — days 1–6 daily, dose 1
MedDRA: Feeling abnormal — Feeling: Fair · Headache, Muscle or body aches, Fatigue or tiredness, Diarrhea, Abdominal pain

Free text: Brain fog

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-24
Health check-in — day 7, dose 1
Feeling: Good · Headache, Fatigue or tiredness

Adult check-in
2021-03-31
Health check-in — day 14, dose 1
Feeling: Good

Adult check-in
2021-04-09
Dose 2 — Pfizer-BioNTech
2021-04-09
Health check-in — day 0, dose 2
Feeling: Good · Site: Pain · None

Adult check-in
2021-04-10
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Site: Pain · Headache, Muscle or body aches, Fatigue or tiredness · Be unable to do your normal daily activities

Adult check-in
2021-04-11
Survey response — days 1–6 daily, dose 2
MedDRA: Feeling abnormal — Feeling: Fair · Site: Pain · Headache, Fatigue or tiredness, Nausea

Free text: Brain fog

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-12
Survey response — days 1–6 daily, dose 2
MedDRA: Feeling abnormal — Feeling: Good · Site: Pain · Headache

Free text: Brain fog this morning

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-13
Survey response — days 1–6 daily, dose 2
MedDRA: Dizziness, Feeling abnormal — Feeling: Fair · Headache, Muscle or body aches, Nausea

Free text: Brain fog and dizziness

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-14
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Muscle or body aches

Adult check-in
2021-04-15
Survey response — days 1–6 daily, dose 2
MedDRA: Feeling abnormal — Feeling: Poor · Site: Pain · Headache, Muscle or body aches, Fatigue or tiredness

Free text: Brain fog

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-16
Health check-in — day 7, dose 2
Feeling: Good · None

Adult check-in
2021-04-24
Health check-in — day 14, dose 2
Feeling: Good

Adult check-in
2021-04-30
Health check-in — day 21, dose 2
Feeling: Good

Adult check-in
2021-05-07
Health check-in — day 28, dose 2
Feeling: Good

Adult check-in
2021-05-14
Health check-in — day 35, dose 2
Feeling: Good

Adult check-in
2021-05-21
Survey response — day 42, dose 2
MedDRA: Muscle tightness, Myalgia — Feeling: Fair

Free text: Global Muscle soreness/tightness

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-07-09
Health check-in — 3 months, dose 2
Feeling: Good

Adult check-in
2021-10-08
Dose 3 — Pfizer-BioNTech
2021-10-08
Health check-in — 6 months, dose 2
Feeling: Good

Adult check-in
2021-10-09
Health check-in — days 1–6 daily, dose 3
Feeling: Fair · Site: Pain · Headache, Fatigue or tiredness

Adult check-in
2021-10-10
Survey response — days 1–6 daily, dose 3
MedDRA: Lymphadenopathy, Pain, Swelling — Feeling: Good · Site: Pain · Fatigue or tiredness

Free text: Swollen lymph nodes in axils, same side as injection. Moderate pain, mild swelling

MedDRA releases: 2024-11 · check-in free text available
2021-10-11
Survey response — days 1–6 daily, dose 3
MedDRA: Lymphadenopathy — Feeling: Good · Headache, Fatigue or tiredness, Nausea

Free text: Swollen lymph nodes in left armpit and over left collar bone

MedDRA releases: 2024-11 · check-in free text available
2021-10-12
Survey response — days 1–6 daily, dose 3
MedDRA: Lymphadenopathy — Feeling: Good

Free text: Swollen lymph nodes in left armpit and left collar bone.

MedDRA releases: 2024-11 · check-in free text available
2021-10-13
Survey response — days 1–6 daily, dose 3
MedDRA: Lymphadenopathy — Feeling: Good

Free text: Swollen lymph nodes L armpit and L collar bone.

MedDRA releases: 2024-11 · check-in free text available
2021-10-14
Survey response — days 1–6 daily, dose 3
MedDRA: Lymph node pain, Lymphadenopathy — Feeling: Good

Free text: Still some slight pain/swelling of lymph nodes in left armpit.

MedDRA releases: 2024-11 · check-in free text available
2021-10-15
Health check-in — day 7, dose 3
Feeling: Good · None

Adult check-in
2021-10-22
Health check-in — day 14, dose 3
Feeling: Good

Adult check-in
2021-10-29
Health check-in — day 21, dose 3
Feeling: Good

Adult check-in
2021-11-05
Health check-in — day 28, dose 3
Feeling: Good

Adult check-in
2021-11-12
Health check-in — day 35, dose 3
Feeling: Good

Adult check-in
2021-11-19
Survey response — day 42, dose 3
MedDRA: Haematuria, Office visit — Feeling: Fair · Get care from a doctor or other healthcare professional

Free text: Symptoms: Blood in urine · Healthcare visit (other): Face to face doctor appointment

MedDRA releases: 2024-11 · check-in free text available
2021-11-19
Report sent to call center — day 42, dose 3
Get care from a doctor or other healthcare professional

1 call case(s)
2021-11-24
Call 1 — Left Voicemail
2021-11-24
Call successful
Not applicable (accidental reporting or does not believe symptoms are related to vaccine)
2022-01-07
Health check-in — 3 months, dose 3
Feeling: Good

Adult check-in
2022-04-08
Health check-in — 6 months, dose 3
Feeling: Good

Adult check-in
2022-10-08
Health check-in — 12 months, dose 3
Feeling: Good

Adult check-in
2022-12-09
Dose 4 — Pfizer-BioNTech
2022-12-09
Health check-in — day 0, dose 4
Feeling: Good · Site: Pain · None

Adult check-in
2022-12-10
Health check-in — days 1–6 daily, dose 4
Feeling: Poor · Site: Pain · Headache, Muscle or body aches, Fatigue or tiredness · Be unable to do your normal daily activities

Adult check-in
2022-12-11
Survey response — days 1–6 daily, dose 4
MedDRA: Brain fog, Dizziness — Feeling: Fair · Headache, Fatigue or tiredness, Nausea, Diarrhea · Be unable to do your normal daily activities

Free text: Brain fog, dizziness

MedDRA releases: 2024-11 · check-in free text available
2022-12-12
Survey response — days 1–6 daily, dose 4
MedDRA: Lymphadenopathy — Feeling: Good

Free text: Swollen lymph nodes in R and L axilla

MedDRA releases: 2024-11 · check-in free text available
2022-12-13
Survey response — days 1–6 daily, dose 4
MedDRA: Lymphadenopathy — Feeling: Good

Free text: Mild lymph node swelling R and L axilla

MedDRA releases: 2024-11 · check-in free text available
2022-12-14
Health check-in — days 1–6 daily, dose 4
Feeling: Good · None

Adult check-in
2022-12-15
Health check-in — days 1–6 daily, dose 4
Feeling: Good · None

Adult check-in
2022-12-16
Health check-in — day 7, dose 4
Feeling: Good · None

Adult check-in
2022-12-23
Health check-in — day 14, dose 4
Feeling: Good

Adult check-in
2022-12-30
Health check-in — day 21, dose 4
Feeling: Good

Adult check-in
2023-01-06
Survey response — day 28, dose 4
MedDRA: Fatigue, Nasal congestion, Pain, Rhinorrhoea — Feeling: Fair · Be unable to work or attend school

MedDRA releases: 2024-11
2023-01-13
Health check-in — day 35, dose 4
Feeling: Good

Adult check-in
2023-01-20
Health check-in — day 42, dose 4
Feeling: Good

Adult check-in
2023-03-10
Health check-in — 3 months, dose 4
Feeling: Good

Adult check-in
2023-06-09
Survey response — 6 months, dose 4
MedDRA: Migraine, Office visit — Feeling: Poor · Be unable to work or attend school, Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional · Emergency room or emergency department visit

MedDRA releases: 2024-11
2023-06-09
Call case (no matching report) — Successful
Not applicable – Participant does not believe symptoms are related to vaccine and does not wish to fill
2023-06-12
Call 1 — Left Voicemail
2023-06-12
Call successful
Not applicable – Participant does not believe symptoms are related to vaccine and does not wish to fill

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-03-17	Pfizer-BioNTech
2	2021-04-09	Pfizer-BioNTech
3	2021-10-08	Pfizer-BioNTech	No
4	2022-12-09	Pfizer-BioNTech	No

Call center

2 call center cases

2 successful

See the call center timeline

Free text

Release 5 — days 1–6 daily, dose 1

2021-03-19

Systemic reaction (other): Dizziness and brain fog

Release 6 — days 1–6 daily, dose 1

2021-03-20

Systemic reaction (other): Dizziness, brain fog, anxiety

2021-03-21

Systemic reaction (other): Brain fog

2021-03-22

Systemic reaction (other): A little bit of brain fog this morning, but resolved

2021-03-23

Systemic reaction (other): Brain fog

Release 7 — days 1–6 daily, dose 2

2021-04-11

Systemic reaction (other): Brain fog

2021-04-12

Systemic reaction (other): Brain fog this morning

2021-04-13

Systemic reaction (other): Brain fog and dizziness

2021-04-15

Systemic reaction (other): Brain fog

Release 8 — day 42, dose 2

2021-05-21

Symptoms: Global Muscle soreness/tightness

Release 10 — days 1–6 daily, dose 3

2021-10-10

Systemic reaction (other): Swollen lymph nodes in axils, same side as injection. Moderate pain, mild swelling

2021-10-11

Systemic reaction (other): Swollen lymph nodes in left armpit and over left collar bone

2021-10-12

Systemic reaction (other): Swollen lymph nodes in left armpit and left collar bone.

2021-10-13

Systemic reaction (other): Swollen lymph nodes L armpit and L collar bone.

2021-10-14

Systemic reaction (other): Still some slight pain/swelling of lymph nodes in left armpit.

Release 10 — day 42, dose 3

2021-11-19

Symptoms: Blood in urine

Healthcare visit (other): Face to face doctor appointment

Release 12 — days 1–6 daily, dose 4

2022-12-11

Systemic reaction (other): Brain fog, dizziness

2022-12-12

Systemic reaction (other): Swollen lymph nodes in R and L axilla

2022-12-13

Systemic reaction (other): Mild lymph node swelling R and L axilla

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	Fatigue	·	·	✓
SD	Haematuria	·	·	✓
SD	Migraine	·	·	✓
SD	Muscle tightness	✓	✓	✓
SD	Myalgia	✓	✓	✓
SD	Nasal congestion	·	·	✓
SD	Pain	·	·	✓
SD	Rhinorrhoea	·	·	✓
SRO	Anxiety	✓	✓	✓
SRO	Brain fog	·	·	✓
SRO	Dizziness	✓	✓	✓
SRO	Feeling abnormal	✓	✓	✓
SRO	Lymph node pain	·	·	✓
SRO	Lymphadenopathy	·	·	✓
SRO	Pain	·	·	✓
SRO	Swelling	·	·	✓

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