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Timeline

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

2021-02-18
Dose 1 — Pfizer-BioNTech
2021-03-10
Dose 2 — Pfizer-BioNTech
2021-10-08
Dose 3 — Pfizer-BioNTech
2022-01-27
Registered in v-safe
2022-04-08
Health check-in — 6 months, dose 3
Feeling: Good

Adult check-in
2022-04-19
Dose 4 — Pfizer-BioNTech
2022-04-22
Survey response — days 1–6 daily, dose 4
MedDRA: Axillary pain — Feeling: Good · Site: Pain

Free text: I exercised my arm after the shot & now have pain in tissue under my arm toward my breast

MedDRA releases: 2024-11 · check-in free text available
2022-04-23
Survey response — days 1–6 daily, dose 4
MedDRA: Axillary pain — Feeling: Good

Free text: No. My underarm pain is hardly noticeable

MedDRA releases: 2024-11 · check-in free text available
2022-04-24
Health check-in — days 1–6 daily, dose 4
Feeling: Good · None

Adult check-in
2022-04-25
Survey response — days 1–6 daily, dose 4
MedDRA: Arthralgia, Coccydynia — Feeling: Fair · Joint pains, Muscle or body aches

Free text: Probably unrelated but coccydinia has returned. Plus big toes have joint pain

MedDRA releases: 2024-11 · check-in free text available
2022-04-26
Health check-in — day 7, dose 4
Feeling: Good · Joint pains, Fatigue or tiredness

Adult check-in
2022-05-03
Survey response — day 14, dose 4
MedDRA: Limb discomfort — Feeling: Good

Free text: Most likely unrelated, but my right foot big toe feels like it is broken. Don't remember hurting it.

MedDRA releases: 2024-11 · check-in free text available
2022-05-12
Health check-in — day 21, dose 4
Feeling: Fair

Adult check-in
2022-05-17
Survey response — day 28, dose 4
MedDRA: Arthralgia, Gait disturbance, Periarthritis — Feeling: Fair

Free text: Right side: My big toe joint has been hurting and now there is pain behind the knee. Both are causing me to limp. Just seems weird. After my 1st booster on the opposite arm I developed frozen shoulder. I have to do exercises for that.

MedDRA releases: 2024-11 · check-in free text available
2022-05-24
Survey response — day 35, dose 4
MedDRA: Arthralgia, Arthropathy, Back pain, Fatigue, Pain in extremity, Toe amputation — Feeling: Fair · Be unable to do your normal daily activities

Free text: Seem to have increasing joint issues on right side since booster on right arm. Toe, foot, shoulder. Sharp back pain comes & goes. Fatigue.

MedDRA releases: 2024-11 · check-in free text available
2022-05-31
Survey response — day 42, dose 4
MedDRA: Fatigue — Feeling: Fair

Free text: Terrible fatigue

MedDRA releases: 2024-11 · check-in free text available
2022-07-19
Health check-in — 3 months, dose 4
Feeling: Good

Adult check-in
2022-10-18
Health check-in — 6 months, dose 4
Feeling: Good

Adult check-in
2023-04-19
Health check-in — 12 months, dose 4
Feeling: Good

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-02-18	Pfizer-BioNTech	No
2	2021-03-10	Pfizer-BioNTech	No
3	2021-10-08	Pfizer-BioNTech	No
4	2022-04-19	Pfizer-BioNTech	No

Free text

Release 11 — days 1–6 daily, dose 4

2022-04-22

Systemic reaction (other): I exercised my arm after the shot & now have pain in tissue under my arm toward my breast

2022-04-23

Systemic reaction (other): No. My underarm pain is hardly noticeable

2022-04-25

Systemic reaction (other): Probably unrelated but coccydinia has returned. Plus big toes have joint pain

Release 11 — day 14, dose 4

2022-05-03

Symptoms: Most likely unrelated, but my right foot big toe feels like it is broken. Don't remember hurting it.

Release 11 — day 28, dose 4

2022-05-17

Symptoms: Right side: My big toe joint has been hurting and now there is pain behind the knee. Both are causing me to limp. Just seems weird. After my 1st booster on the opposite arm I developed frozen shoulder. I have to do exercises for that.

Release 11 — day 35, dose 4

2022-05-24

Symptoms: Seem to have increasing joint issues on right side since booster on right arm. Toe, foot, shoulder. Sharp back pain comes & goes. Fatigue.

Release 11 — day 42, dose 4

2022-05-31

Symptoms: Terrible fatigue

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	Arthralgia	·	·	✓
SD	Arthropathy	·	·	✓
SD	Back pain	·	·	✓
SD	Fatigue	·	·	✓
SD	Gait disturbance	·	·	✓
SD	Limb discomfort	·	·	✓
SD	Pain in extremity	·	·	✓
SD	Periarthritis	·	·	✓
SD	Toe amputation	·	·	✓
SRO	Arthralgia	·	·	✓
SRO	Axillary pain	·	·	✓
SRO	Coccydynia	·	·	✓

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