4T8-11500-55658

3 vaccinations 15 coded responses 33 check-ins 15 free-text entries 0 call cases

Sex: Female
Age at first dose: 66+
ZIP prefix: 150 / PA
Registered: 2021-03-12

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

Timeline Vaccinations Free text MedDRA terms

Timeline

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

2021-03-11
Dose 1 — Pfizer-BioNTech
2021-03-12
Registered in v-safe
2021-03-12
Health check-in — days 1–6 daily, dose 1
Feeling: Good · Site: Pain · None

Adult check-in
2021-03-13
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-03-14
Survey response — days 1–6 daily, dose 1
MedDRA: Adverse reaction — Feeling: Good · Muscle or body aches

Free text: Mild

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-15
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-03-16
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-03-17
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-03-18
Health check-in — day 7, dose 1
Feeling: Fair · Abdominal pain

Adult check-in
2021-03-25
Survey response — day 14, dose 1
MedDRA: Head discomfort — Feeling: Good

Free text: Slight discomfort in back of my head

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-01
Dose 2 — Pfizer-BioNTech
2021-04-01
Survey response — day 0, dose 2
MedDRA: Headache — Feeling: Good · Site: Pain · Headache

Free text: Headache is at the top crown

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-02
Survey response — days 1–6 daily, dose 2
MedDRA: Headache — Feeling: Fair · Site: Pain · Headache, Joint pains, Muscle or body aches, Fatigue or tiredness, Nausea · Be unable to do your normal daily activities

Free text: Headache in crown

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

Adult check-in
2021-04-04
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Headache, Fatigue or tiredness, Nausea

Adult check-in
2021-04-05
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Fatigue or tiredness, Diarrhea

Adult check-in
2021-04-06
Survey response — days 1–6 daily, dose 2
MedDRA: Headache — Feeling: Good · Headache

Free text: Slight headache in back of head to crown

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-07
Survey response — days 1–6 daily, dose 2
MedDRA: Headache — Feeling: Good · Headache

Free text: Slight headache at crown

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-08
Health check-in — day 7, dose 2
Feeling: Good · Headache, Fatigue or tiredness

Adult check-in
2021-04-15
Survey response — day 14, dose 2
MedDRA: Head discomfort — Feeling: Fair

Free text: The weird feeling in my head was worse. When I open my mouth I have a strange feeling in the back of head sometimes.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-22
Survey response — day 21, dose 2
MedDRA: Feeling abnormal, Head discomfort — Feeling: Good

Free text: Head discomfort in back - neck to crown- strange feeling

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-29
Survey response — day 28, dose 2
MedDRA: Headache — Feeling: Fair

Free text: Headaches in back of head

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-06
Health check-in — day 35, dose 2
Feeling: Good

Adult check-in
2021-05-13
Survey response — day 42, dose 2
MedDRA: Headache — Feeling: Fair

Free text: Headache in the back of my head

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-07-01
Survey response — 3 months, dose 2
MedDRA: Head discomfort — Feeling: Fair

Free text: Discomfort in back of head

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-09-30
Health check-in — 6 months, dose 2
Feeling: Good

Adult check-in
2021-11-03
Dose 3 — Pfizer-BioNTech
2021-11-09
Survey response — days 1–6 daily, dose 3
MedDRA: Fatigue, Headache, Nausea, Pain in extremity — Feeling: Good

Free text: The day of shot had severe arm pain. 2nd and third day had nausea and tiredness and headache.

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

Adult check-in
2021-11-17
Health check-in — day 14, dose 3
Feeling: Good

Adult check-in
2021-11-24
Survey response — day 21, dose 3
MedDRA: Dizziness, Vertigo — Feeling: Fair

Free text: Dizziness and vertigo at times

MedDRA releases: 2024-11 · check-in free text available
2021-12-01
Survey response — day 28, dose 3
MedDRA: Abdominal discomfort — Feeling: Good

Free text: Upset stomach

MedDRA releases: 2024-11 · check-in free text available
2021-12-08
Health check-in — day 35, dose 3
Feeling: Good

Adult check-in
2021-12-15
Health check-in — day 42, dose 3
Feeling: Good

Adult check-in
2022-02-02
Health check-in — 3 months, dose 3
Feeling: Good

Adult check-in
2022-05-04
Health check-in — 6 months, dose 3
Feeling: Good

Adult check-in
2022-11-03
Survey response — 12 months, dose 3
MedDRA: Vertigo — Feeling: Good · Be unable to do your normal daily activities

Free text: Vertigo

MedDRA releases: 2024-11 · check-in free text available

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-03-11	Pfizer-BioNTech
2	2021-04-01	Pfizer-BioNTech
3	2021-11-03	Pfizer-BioNTech	No

Free text

Release 5 — days 1–6 daily, dose 1

2021-03-14

Systemic reaction (other): Mild

Release 6 — day 14, dose 1

2021-03-25

Symptoms: Slight discomfort in back of my head

Release 6 — day 0, dose 2

2021-04-01

Systemic reaction (other): Headache is at the top crown

Release 6 — days 1–6 daily, dose 2

2021-04-02

Systemic reaction (other): Headache in crown

Release 7 — days 1–6 daily, dose 2

2021-04-06

Systemic reaction (other): Slight headache in back of head to crown

2021-04-07

Systemic reaction (other): Slight headache at crown

Release 7 — day 14, dose 2

2021-04-15

Symptoms: The weird feeling in my head was worse. When I open my mouth I have a strange feeling in the back of head sometimes.

Release 7 — day 21, dose 2

2021-04-22

Symptoms: Head discomfort in back - neck to crown- strange feeling

Release 8 — day 28, dose 2

2021-04-29

Symptoms: Headaches in back of head

Release 8 — day 42, dose 2

2021-05-13

Symptoms: Headache in the back of my head

Release 9 — 3 months, dose 2

2021-07-01

Symptoms: Discomfort in back of head

Release 10 — days 1–6 daily, dose 3

2021-11-09

Systemic reaction (other): The day of shot had severe arm pain. 2nd and third day had nausea and tiredness and headache.

Release 10 — day 21, dose 3

2021-11-24

Symptoms: Dizziness and vertigo at times

Release 10 — day 28, dose 3

2021-12-01

Symptoms: Upset stomach

Release 12 — 12 months, dose 3

2022-11-03

Symptoms: Vertigo

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	Abdominal discomfort	·	·	✓
SD	Dizziness	·	·	✓
SD	Feeling abnormal	✓	✓	✓
SD	Head discomfort	✓	✓	✓
SD	Headache	✓	✓	✓
SD	Vertigo	·	·	✓
SRO	Adverse reaction	✓	✓	✓
SRO	Fatigue	·	·	✓
SRO	Headache	✓	✓	✓
SRO	Nausea	·	·	✓
SRO	Pain in extremity	·	·	✓

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