YMC-44872-87365 · OpenVSafe

Timeline

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

2021-04-09
Dose 1 — Pfizer-BioNTech
2021-04-12
Registered in v-safe
2021-04-12
Survey response — days 1–6 daily, dose 1
MedDRA: Arthralgia, Chest discomfort, Dizziness, Fatigue, Feeling hot, Lymphadenopathy, Musculoskeletal stiffness — Feeling: Good · Be unable to do your normal daily activities

Free text: About an hour after my shot I felt tightness in my chest, which has lasted through today 4/12/2021. 17 hours after my shot, I was awakened in the night by a feeling of sharp needles stabbing me behind my right knee. Exterior lymph nodes behind right and left knees were swollen. Legs felt hot internally. Stiff back of neck. (shot was in left arm). Tiredness. Lightheaded - all that first 24 hours

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-13
Survey response — days 1–6 daily, dose 1
MedDRA: Chest discomfort — Feeling: Good

Free text: Chest still feels tight

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-14
Survey response — days 1–6 daily, dose 1
MedDRA: Chest discomfort — Feeling: Good

Free text: Chest tightness

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-17
Survey response — day 7, dose 1
MedDRA: Chest discomfort — Feeling: Good

Free text: Chest tightness

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-26
Survey response — day 14, dose 1
MedDRA: Fatigue, Lymphadenopathy, Pain in extremity — Feeling: Good · Be unable to work

Free text: Both Arms were feeling achy yesterday, lymph nodes in neck, under arm, in chest were feeling swollen. Very tired - had to nap. Feel better today.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-30
Dose 2 — Pfizer-BioNTech
2021-04-30
Survey response — day 0, dose 2
MedDRA: Pain in extremity — Feeling: Fair · Site: Pain · Fatigue or tiredness

Free text: Both Arms ache daily since last Sunday 1 or2x per day for about an hour or so each time.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-01
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Site: Pain · Fever · Muscle or body aches, Fatigue or tiredness · Be unable to work, Be unable to do your normal daily activities

Adult check-in
2021-05-02
Survey response — days 1–6 daily, dose 2
MedDRA: Feeling hot, Pyrexia, Sleep disorder — Feeling: Good · Site: Pain

Free text: A bit of hotness / fever last night & interrupted sleep

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-03
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-05-04
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-05-16
Health check-in — day 14, dose 2
Feeling: Good

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-04-09	Pfizer-BioNTech
2	2021-04-30	Pfizer-BioNTech

Free text

Release 7 — days 1–6 daily, dose 1

2021-04-12

Systemic reaction (other): About an hour after my shot I felt tightness in my chest, which has lasted through today 4/12/2021. 17 hours after my shot, I was awakened in the night by a feeling of sharp needles stabbing me behind my right knee. Exterior lymph nodes behind right and left knees were swollen. Legs felt hot internally. Stiff back of neck. (shot was in left arm). Tiredness. Lightheaded - all that first 24 hours

2021-04-13

Systemic reaction (other): Chest still feels tight

2021-04-14

Systemic reaction (other): Chest tightness

Release 7 — day 7, dose 1

2021-04-17

Systemic reaction (other): Chest tightness

Release 8 — day 14, dose 1

2021-04-26

Symptoms: Both Arms were feeling achy yesterday, lymph nodes in neck, under arm, in chest were feeling swollen. Very tired - had to nap. Feel better today.

Release 8 — day 0, dose 2

2021-04-30

Systemic reaction (other): Both Arms ache daily since last Sunday 1 or2x per day for about an hour or so each time.

Release 8 — days 1–6 daily, dose 2

2021-05-02

Systemic reaction (other): A bit of hotness / fever last night & interrupted sleep

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	Fatigue	✓	✓	✓
SD	Lymphadenopathy	✓	✓	✓
SD	Pain in extremity	✓	✓	✓
SRO	Arthralgia	✓	✓	✓
SRO	Chest discomfort	✓	✓	✓
SRO	Dizziness	✓	✓	✓
SRO	Fatigue	✓	✓	✓
SRO	Feeling hot	✓	✓	✓
SRO	Lymphadenopathy	✓	✓	✓
SRO	Musculoskeletal stiffness	✓	✓	✓
SRO	Pain in extremity	✓	✓	✓
SRO	Pyrexia	✓	✓	✓
SRO	Sleep disorder	✓	✓	✓

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