389-11064-53402 · OpenVSafe

Timeline

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

2021-03-10
Registered in v-safe
2021-03-10
Dose 1 — Pfizer-BioNTech
2021-03-10
Health check-in — day 0, dose 1
Feeling: Good · None

Adult check-in
2021-03-11
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-03-12
Survey response — days 1–6 daily, dose 1
MedDRA: Blood potassium decreased, Hospitalisation, Pregnancy — Feeling: Fair · Be unable to work, Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional · Emergency room or emergency department visit, Hospitalization

Free text: 34 weeks pregnant, hospitalized for low levels of potassium.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-12
Report sent to call center — days 1–6 daily, 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)
2021-03-13
Survey response — days 1–6 daily, dose 1
MedDRA: Blood potassium decreased, Pregnancy — Feeling: Fair · Fatigue or tiredness · Be unable to work, Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional · Hospitalization

Free text: 34 weeks pregnant, low potassium

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-03-13
Report sent to call center — days 1–6 daily, 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)
2021-03-19
Health check-in — day 7, dose 1
Feeling: Good · None

Adult check-in
2021-03-20
Call 1 — Left Voicemail

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-03-10	Pfizer-BioNTech

Call center

Reported	Outcome	VAERS-related outcome
2021-03-12	Unsuccessful
2021-03-13	Unsuccessful

Free text

Release 5 — days 1–6 daily, dose 1

2021-03-12

Systemic reaction (other): 34 weeks pregnant, hospitalized for low levels of potassium.

2021-03-13

Healthcare visit (other): 34 weeks pregnant, low potassium

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	Blood potassium decreased	✓	✓	✓
HCVO	Pregnancy	✓	✓	✓
SRO	Blood potassium decreased	✓	✓	✓
SRO	Hospitalisation	✓	✓	✓
SRO	Pregnancy	✓	✓	✓

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