3CE-28650-16360

4 vaccinations 10 coded responses 17 check-ins 10 free-text entries 1 call case

Sex: Female
Age at first dose: 26-30
ZIP prefix: 921 / CA
Registered: 2021-02-24

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

Registered dependents

6GT-27289-98731 Child or adolescent in my care · Female · 2022-10-06

Timeline

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

2021-02-23
Dose 1 — Pfizer-BioNTech
2021-02-24
Registered in v-safe
2021-02-24
Survey response — days 1–6 daily, dose 1
MedDRA: Feeling abnormal — Feeling: Fair · Site: Pain, Swelling · Fever · Chills, Headache, Joint pains, Muscle or body aches, Fatigue or tiredness · Be unable to do your normal daily activities

Free text: brain fog, slowed reactions, responses

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-02-25
Survey response — days 1–6 daily, dose 1
MedDRA: Migraine, Musculoskeletal stiffness — Feeling: Fair · Site: Pain · Fever · Headache, Joint pains, Muscle or body aches, Fatigue or tiredness · Be unable to work, Be unable to do your normal daily activities

Free text: Stiff neck same as the first day and second day on the same side as the injection, migraine

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-02-27
Survey response — days 1–6 daily, dose 1
MedDRA: Decreased appetite, Feeling abnormal, Musculoskeletal stiffness — Feeling: Good · Site: Itching · Headache, Muscle or body aches, Fatigue or tiredness, Diarrhea, Abdominal pain · Be unable to do your normal daily activities

Free text: Brain fog, stiff neck on side where I got injection, loss of appetite

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-02-28
Survey response — days 1–6 daily, dose 1
MedDRA: Feeling abnormal, Migraine, Musculoskeletal stiffness, Nodule — Feeling: Fair · Site: Itching · Fever · Chills, Headache, Muscle or body aches, Fatigue or tiredness, Nausea, Diarrhea · Be unable to work, Be unable to do your normal daily activities

Free text: Brain fog, migraine, stiff neck still on the side where I got the vaccine, knot in neck

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-02
Survey response — day 7, dose 1
MedDRA: Feeling abnormal, Musculoskeletal stiffness — Feeling: Fair · Fever · Headache, Joint pains, Muscle or body aches, Fatigue or tiredness · Be unable to work, Be unable to do your normal daily activities

Free text: Stiff neck, brain fog

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-09
Survey response — day 14, dose 1
MedDRA: Migraine, Musculoskeletal stiffness — Feeling: Fair · Be unable to work, Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional

Free text: Symptoms: My migraine got worse I had to take my prescription. My stiff muscles in my neck and back are still happening. · Healthcare visit (other): Pick up prescription for migraine

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

1 call case(s)
2021-03-16
Dose 2 — Pfizer-BioNTech
2021-03-16
Survey response — day 0, dose 2
MedDRA: Musculoskeletal stiffness — Feeling: Fair · Site: Pain, Swelling · Chills, Headache, Muscle or body aches, Fatigue or tiredness, Nausea, Abdominal pain · Be unable to work, Be unable to do your normal daily activities

Free text: Stiff neck

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-17
Survey response — days 1–6 daily, dose 2
MedDRA: Feeling abnormal — Feeling: Fair · Site: Pain, Itching · Fever · Chills, Headache, Muscle or body aches, Fatigue or tiredness, Nausea · Be unable to do your normal daily activities

Free text: Brain fog

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-18
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain, Itching · Fever · Chills, Headache, Nausea, Diarrhea

Adult check-in
2021-03-19
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Site: Pain · Headache, Muscle or body aches, Fatigue or tiredness, Nausea · Be unable to do your normal daily activities

Adult check-in
2021-03-20
Survey response — days 1–6 daily, dose 2
MedDRA: Feeling abnormal — Feeling: Good · Site: Pain · Headache, Fatigue or tiredness · Be unable to do your normal daily activities

Free text: Brain fog

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-21
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Fatigue or tiredness

Adult check-in
2021-03-22
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Fatigue or tiredness

Adult check-in
2021-03-30
Survey response — day 14, dose 2
MedDRA: Fatigue, Migraine — Feeling: Good · Be unable to do your normal daily activities

Free text: Migraine and extreme fatigue

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-06-15
Health check-in — 3 months, dose 2
Feeling: Poor

Adult check-in
2022-02-12
Call 1 — Could Not Reach Participant
2022-02-17
Call 2 — Left Voicemail
2022-03-16
Health check-in — 12 months, dose 2
Feeling: Good

Adult check-in
2022-06-29
Dose 3 — Pfizer-BioNTech
2022-09-28
Dose 4 — Pfizer-BioNTech
2022-10-06
Health check-in — day 7, dose 4
Feeling: Good · Site: Swelling, Itching · Headache, Fatigue or tiredness, Abdominal pain · Be unable to do your normal daily activities

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-02-23	Pfizer-BioNTech
2	2021-03-16	Pfizer-BioNTech
3	2022-06-29	Pfizer-BioNTech	No
4	2022-09-28	Pfizer-BioNTech	No

Call center

1 call center case

1 unsuccessful

1 wait over 3 months for a first call

See the call center timeline

Free text

Release 4 — days 1–6 daily, dose 1

2021-02-24

Systemic reaction (other): brain fog, slowed reactions, responses

2021-02-25

Systemic reaction (other): Stiff neck same as the first day and second day on the same side as the injection, migraine

2021-02-27

Systemic reaction (other): Brain fog, stiff neck on side where I got injection, loss of appetite

2021-02-28

Systemic reaction (other): Brain fog, migraine, stiff neck still on the side where I got the vaccine, knot in neck

Release 4 — day 7, dose 1

2021-03-02

Systemic reaction (other): Stiff neck, brain fog

Release 5 — day 14, dose 1

2021-03-09

Symptoms: My migraine got worse I had to take my prescription. My stiff muscles in my neck and back are still happening.

Healthcare visit (other): Pick up prescription for migraine

Release 5 — day 0, dose 2

2021-03-16

Systemic reaction (other): Stiff neck

Release 5 — days 1–6 daily, dose 2

2021-03-17

Systemic reaction (other): Brain fog

Release 6 — days 1–6 daily, dose 2

2021-03-20

Systemic reaction (other): Brain fog

Release 6 — day 14, dose 2

2021-03-30

Symptoms: Migraine and extreme fatigue

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	Migraine	✓	✓	✓
SD	Fatigue	✓	✓	✓
SD	Migraine	✓	✓	✓
SD	Musculoskeletal stiffness	✓	✓	✓
SRO	Decreased appetite	✓	✓	✓
SRO	Feeling abnormal	✓	✓	✓
SRO	Migraine	✓	✓	✓
SRO	Musculoskeletal stiffness	✓	✓	✓
SRO	Nodule	✓	✓	✓

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