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Timeline

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

2021-04-06
Dose 1 — Pfizer-BioNTech
2021-04-27
Dose 2 — Pfizer-BioNTech
2021-04-28
Registered in v-safe
2021-04-28
Survey response — days 1–6 daily, dose 2
MedDRA: Peripheral swelling — Feeling: Poor · Site: Pain · Fever · Chills, Headache, Joint pains, Muscle or body aches, Fatigue or tiredness, Nausea, Abdominal pain · Be unable to work, Be unable to do your normal daily activities

Free text: Extremely swelon feet. They have been present from my first one but just got more survear. Can someone please call me about this?

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-29
Survey response — days 1–6 daily, dose 2
MedDRA: Peripheral swelling — Feeling: Poor · Site: Pain · Fever · Headache, Joint pains, Muscle or body aches, Fatigue or tiredness · Be unable to do your normal daily activities

Free text: Swollen feet, not as bad as yesterday but I am still very concerned with this and would appreciate a followup call

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-01
Survey response — days 1–6 daily, dose 2
MedDRA: Insomnia, Night sweats, Peripheral swelling — Feeling: Poor · Joint pains, Muscle or body aches, Fatigue or tiredness · Be unable to do your normal daily activities

Free text: Swollen feet, not able to sleep at all since the vaccine. I have never really had them before but have been experiencing serious night sweats. Feet still swollen

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-02
Survey response — days 1–6 daily, dose 2
MedDRA: Erythema, Peripheral swelling — Feeling: Poor · Joint pains, Muscle or body aches, Fatigue or tiredness · Be unable to do your normal daily activities

Free text: Very red and swollen foot

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-03
Survey response — days 1–6 daily, dose 2
MedDRA: Erythema, Peripheral swelling — Feeling: Poor · Joint pains, Muscle or body aches, Fatigue or tiredness · Be unable to do your normal daily activities

Free text: Very swelled foot, feet began to swell after first dose but now my right foot is very red and swollen

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-06
Survey response — day 7, dose 2
MedDRA: Peripheral swelling — Feeling: Poor · Joint pains, Muscle or body aches, Fatigue or tiredness, Nausea, Abdominal pain · Be unable to do your normal daily activities

Free text: Swelling foot

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-13
Survey response — day 14, dose 2
MedDRA: Peripheral swelling — Feeling: Fair · Be unable to do your normal daily activities

Free text: My foot continues to be increasingly swollen, right after the vaccine it was both feet, now only the right

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-06-03
Health check-in — day 35, dose 2
Feeling: Fair

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-04-06	Pfizer-BioNTech
2	2021-04-27	Pfizer-BioNTech

Free text

Release 8 — days 1–6 daily, dose 2

2021-04-28

Systemic reaction (other): Extremely swelon feet. They have been present from my first one but just got more survear. Can someone please call me about this?

2021-04-29

Systemic reaction (other): Swollen feet, not as bad as yesterday but I am still very concerned with this and would appreciate a followup call

2021-05-01

Systemic reaction (other): Swollen feet, not able to sleep at all since the vaccine. I have never really had them before but have been experiencing serious night sweats. Feet still swollen

2021-05-02

Systemic reaction (other): Very red and swollen foot

2021-05-03

Systemic reaction (other): Very swelled foot, feet began to swell after first dose but now my right foot is very red and swollen

Release 8 — day 7, dose 2

2021-05-06

Systemic reaction (other): Swelling foot

Release 8 — day 14, dose 2

2021-05-13

Symptoms: My foot continues to be increasingly swollen, right after the vaccine it was both feet, now only the right

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	Peripheral swelling	✓	✓	✓
SRO	Erythema	✓	✓	✓
SRO	Insomnia	✓	✓	✓
SRO	Night sweats	✓	✓	✓
SRO	Peripheral swelling	✓	✓	✓

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