NUS-22247-77164 · OpenVSafe

Timeline

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

2021-10-31
Dose 1 — Pfizer-BioNTech
2021-11-01
Registered in v-safe
2021-11-01
Health check-in — days 1–6 daily, dose 1
Feeling: Fair · Site: Pain · Headache

Adult check-in
2021-11-14
Survey response — day 14, dose 1
MedDRA: Nasopharyngitis — Feeling: Poor · Be unable to work or attend school, Be unable to do your normal daily activities

Free text: Cold like symotoms

MedDRA releases: 2024-11 · check-in free text available
2022-07-14
Dose 2 — Pfizer-BioNTech
2022-07-15
Health check-in — days 1–6 daily, dose 2
Feeling: Poor · Site: Pain · Fever · Chills, Headache, Joint pains, Muscle or body aches, Fatigue or tiredness · Be unable to do your normal daily activities

Adult check-in
2022-07-16
Survey response — days 1–6 daily, dose 2
MedDRA: Dizziness — Feeling: Poor · Site: Pain · Fever · Chills, Headache, Muscle or body aches, Fatigue or tiredness · Be unable to do your normal daily activities

Free text: Dizziness

MedDRA releases: 2024-11 · check-in free text available
2022-07-17
Survey response — days 1–6 daily, dose 2
MedDRA: Dizziness — Feeling: Poor · Site: Pain · Fever · Chills, Headache, Joint pains, Muscle or body aches, Fatigue or tiredness, Diarrhea · Be unable to do your normal daily activities

Free text: Severe dizziness

MedDRA releases: 2024-11 · check-in free text available
2022-07-18
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Site: Pain · Muscle or body aches, Fatigue or tiredness, Abdominal pain · Be unable to do your normal daily activities

Adult check-in
2022-07-19
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-10-31	Pfizer-BioNTech	No
2	2022-07-14	Pfizer-BioNTech	No

Free text

Release 10 — day 14, dose 1

2021-11-14

Symptoms: Cold like symotoms

Release 12 — days 1–6 daily, dose 2

2022-07-16

Systemic reaction (other): Dizziness

2022-07-17

Systemic reaction (other): Severe dizziness

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	Nasopharyngitis	·	·	✓
SRO	Dizziness	·	·	✓

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