4MP-51424-62807

4 vaccinations 15 coded responses 29 check-ins 15 free-text entries 2 call cases

Sex: Female
Age at first dose: 66+
ZIP prefix: 014 / MA
Registered: 2021-03-25

Relationship: Self
Race: White
Ethnicity: N/A

Timeline

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

2021-03-25
Registered in v-safe
2021-03-25
Dose 1 — Pfizer-BioNTech
2021-03-25
Survey response — day 0, dose 1
MedDRA: Pruritus — Feeling: Good · Be unable to do your normal daily activities

Free text: Itching on both of my calves

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-26
Survey response — days 1–6 daily, dose 1
MedDRA: Pruritus — Feeling: Fair · Headache

Free text: My calves are very itchy yesterday too

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

Free text: Headache isn't going away

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-28
Survey response — days 1–6 daily, dose 1
MedDRA: Hypertension — Feeling: Good · Headache, Rash, not including the immediate area around the injection site · Be unable to do your normal daily activities

Free text: I have had very high blood pressure not sure if that is a side effect

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-29
Survey response — days 1–6 daily, dose 1
MedDRA: No adverse event — Feeling: Good · Headache, Fatigue or tiredness · Be unable to do your normal daily activities

Free text: None

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-30
Survey response — days 1–6 daily, dose 1
MedDRA: Headache — Feeling: Fair · Headache · Be unable to do your normal daily activities

Free text: Just want to mention my headaches are severe does not go away

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-31
Health check-in — days 1–6 daily, dose 1
Feeling: Good · Abdominal pain · Be unable to do your normal daily activities

Adult check-in
2021-04-01
Survey response — day 7, dose 1
MedDRA: No adverse event — Feeling: Fair · Headache, Fatigue or tiredness · Be unable to do your normal daily activities

Free text: Nothing t ok day

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-08
Health check-in — day 14, dose 1
Feeling: Fair

Adult check-in
2021-04-11
Dose 2 — Pfizer-BioNTech
2021-04-12
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Muscle or body aches

Adult check-in
2021-04-13
Survey response — days 1–6 daily, dose 2
MedDRA: No adverse event — Feeling: Good · Fatigue or tiredness · Be unable to do your normal daily activities

Free text: Na

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 · Fatigue or tiredness · Be unable to do your normal daily activities

Adult check-in
2021-04-15
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-04-16
Survey response — days 1–6 daily, dose 2
MedDRA: No adverse event — Feeling: Good

Free text:

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-17
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Headache · Be unable to do your normal daily activities

Adult check-in
2021-04-18
Health check-in — day 7, dose 2
Feeling: Fair · Headache, Fatigue or tiredness · Be unable to do your normal daily activities

Adult check-in
2021-04-25
Dose 3 — Pfizer-BioNTech
Co-administered: Other
2021-04-25
Health check-in — day 14, dose 2
Feeling: Good

Adult check-in
2021-05-02
Survey response — day 21, dose 2
MedDRA: Headache, Insomnia — Feeling: Fair · Be unable to work, Be unable to do your normal daily activities

Free text: Again i have a headache had a hard time sleeping last night

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-09
Health check-in — day 28, dose 2
Feeling: Fair

Adult check-in
2021-05-16
Survey response — day 35, dose 2
MedDRA: Hospitalisation, Oxygen saturation decreased — Feeling: Fair · Be unable to do your normal daily activities

Free text: Low oxygen was in hospital

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-23
Survey response — day 42, dose 2
MedDRA: Hospitalisation, Pre-existing disease — Feeling: Fair · Be unable to do your normal daily activities

Free text: I have copd i have been having breathing its possible its pulmonary hypertension i am in the hospital

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-07-11
Survey response — 3 months, dose 2
MedDRA: Hospitalisation, Malaise, Vomiting — Feeling: Fair · Be unable to do your normal daily activities

Free text: 2 weeks ago i went to the hospital on a saturday because the wednesday priori had vomited and the following friday vomited and still sick on saturday ent to hospital and stayed 3 days thought it was a new medication i started and now this past thurs.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-10-10
Health check-in — 6 months, dose 2
Feeling: Good

Adult check-in
2022-04-11
Survey response — 12 months, dose 2
MedDRA: Back injury, Unevaluable event — Feeling: Good · Be unable to work or attend school, Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional

Free text: Symptoms: I have hurt my back · Healthcare visit (other): Seeing a back specialist

MedDRA releases: 2024-11 · check-in free text available
2022-04-11
Report sent to call center — 12 months, dose 2
Be unable to work or attend school · Be unable to do your normal daily activities · Get care from a doctor or other healthcare pr

1 call case(s)
2022-04-21
Call successful
Not applicable - Accidental Reporting
2022-04-25
Dose 4 — Pfizer-BioNTech
2022-04-25
Health check-in — day 0, dose 4
Feeling: Fair · None

Adult check-in
2022-04-26
Health check-in — days 1–6 daily, dose 4
Feeling: Fair · None

Adult check-in
2022-04-27
Survey response — days 1–6 daily, dose 4
MedDRA: Back disorder — Feeling: Fair · Joint pains · 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: Just an issue with my back

MedDRA releases: 2024-11 · check-in free text available
2022-04-27
Report sent to call center — days 1–6 daily, dose 4
Be unable to do your normal daily activities · Get care from a doctor or other healthcare professional

Telehealth, virtual health, or email health consultation · 1 call case(s)
2022-04-28
Health check-in — days 1–6 daily, dose 4
Feeling: Fair · None

Adult check-in
2022-04-28
Call successful
Not applicable – Participant does not believe symptoms are related to vaccine and does not wish to fill
2022-04-29
Health check-in — days 1–6 daily, dose 4
Feeling: Fair · None

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-03-25	Pfizer-BioNTech
2	2021-04-11	Pfizer-BioNTech
3	2021-04-25	Pfizer-BioNTech	Other
4	2022-04-25	Pfizer-BioNTech	No

Call center

2 call center cases

2 successful

See the call center timeline

Free text

Release 6 — day 0, dose 1

2021-03-25

Systemic reaction (other): Itching on both of my calves

Release 6 — days 1–6 daily, dose 1

2021-03-26

Systemic reaction (other): My calves are very itchy yesterday too

2021-03-27

Systemic reaction (other): Headache isn't going away

2021-03-28

Systemic reaction (other): I have had very high blood pressure not sure if that is a side effect

2021-03-29

Systemic reaction (other): None

2021-03-30

Systemic reaction (other): Just want to mention my headaches are severe does not go away

Release 6 — day 7, dose 1

2021-04-01

Systemic reaction (other): Nothing t ok day

Release 7 — days 1–6 daily, dose 2

2021-04-13

Systemic reaction (other): Na

2021-04-16

Release 8 — day 21, dose 2

2021-05-02

Symptoms: Again i have a headache had a hard time sleeping last night

Release 8 — day 35, dose 2

2021-05-16

Symptoms: Low oxygen was in hospital

Release 8 — day 42, dose 2

2021-05-23

Symptoms: I have copd i have been having breathing its possible its pulmonary hypertension i am in the hospital

Release 9 — 3 months, dose 2

2021-07-11

Symptoms: 2 weeks ago i went to the hospital on a saturday because the wednesday priori had vomited and the following friday vomited and still sick on saturday ent to hospital and stayed 3 days thought it was a new medication i started and now this past thurs. cut off by CDC

Release 11 — 12 months, dose 2

2022-04-11

Symptoms: I have hurt my back

Healthcare visit (other): Seeing a back specialist

Release 11 — days 1–6 daily, dose 4

2022-04-27

Systemic reaction (other): Just an issue with my back

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	Unevaluable event	·	·	✓
SD	Back injury	·	·	✓
SD	Headache	✓	✓	✓
SD	Hospitalisation	✓	✓	✓
SD	Insomnia	✓	✓	✓
SD	Malaise	✓	✓	✓
SD	Oxygen saturation decreased	✓	✓	✓
SD	Pre-existing disease	✓	✓	✓
SD	Vomiting	✓	✓	✓
SRO	Back disorder	·	·	✓
SRO	Headache	✓	✓	✓
SRO	Hypertension	✓	✓	✓
SRO	No adverse event	✓	✓	✓
SRO	Pruritus	✓	✓	✓

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