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Timeline

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

2021-06-06
Registered in v-safe
2021-06-06
Dose 1 — Pfizer-BioNTech
2021-06-06
Survey response — day 0, dose 1
MedDRA: Electric shock sensation, Sensory disturbance — Feeling: Good · Site: Pain, Swelling

Free text: It felt like electrical zaps a few times on my arms and legs within 5 hours of getting vaccinated

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-06-07
Health check-in — days 1–6 daily, dose 1
Feeling: Good · Site: Pain, Swelling, Itching · None

Adult check-in
2021-06-08
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-06-09
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-06-10
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-06-11
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-06-12
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-06-13
Health check-in — day 7, dose 1
Feeling: Good · None

Adult check-in
2021-06-20
Health check-in — day 14, dose 1
Feeling: Good

Adult check-in
2021-06-27
Health check-in — day 21, dose 1
Feeling: Good

Adult check-in
2021-06-28
Dose 2 — Pfizer-BioNTech
2021-06-29
Survey response — days 1–6 daily, dose 2
MedDRA: Palpitations — Feeling: Fair · Site: Pain

Free text: Heart feels like it's racing

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-06-30
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · None

Adult check-in
2021-07-01
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · None

Adult check-in
2021-07-02
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Itching · None

Adult check-in
2021-07-03
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-07-05
Health check-in — day 7, dose 2
Feeling: Good · None

Adult check-in
2021-07-12
Health check-in — day 14, dose 2
Feeling: Good

Adult check-in
2021-07-21
Survey response — day 21, dose 2
MedDRA: Pain in extremity — Feeling: Good

Free text: Bad leg pain at night

MedDRA releases: 2024-11 · check-in free text available
2021-07-26
Health check-in — day 28, dose 2
Feeling: Good

Adult check-in
2021-08-02
Health check-in — day 35, dose 2
Feeling: Good

Adult check-in
2021-08-09
Health check-in — day 42, dose 2
Feeling: Good

Adult check-in
2021-09-27
Health check-in — 3 months, dose 2
Feeling: Good

Adult check-in
2021-12-19
Dose 3 — Pfizer-BioNTech
2021-12-27
Survey response — 6 months, dose 2
MedDRA: Fatigue, Pain in extremity — Feeling: Good

Free text: Got my booster and had a sore arm and fatique for a couple days

MedDRA releases: 2024-11 · check-in free text available
2021-12-28
Survey response — day 7, dose 3
MedDRA: Fatigue — Feeling: Good · Site: Pain

Free text: Fatique the day after I received the booster.

MedDRA releases: 2024-11 · check-in free text available
2022-01-02
Health check-in — day 14, dose 3
Feeling: Good

Adult check-in
2022-01-09
Health check-in — day 21, dose 3
Feeling: Good

Adult check-in
2022-01-16
Survey response — day 28, dose 3
MedDRA: Exposure to SARS-CoV-2, Headache, Lacrimation increased, Nasal congestion, Pain, Rhinorrhoea — Feeling: Fair

Free text: I was exposed briefly to someone who was exposed to Covid. I have developed a headache, stuffy, runny nose, some body aches, and watery eyes. Will get tested.

MedDRA releases: 2024-11 · check-in free text available
2022-01-23
Health check-in — day 35, dose 3
Feeling: Good

Adult check-in
2022-01-30
Health check-in — day 42, dose 3
Feeling: Good

Adult check-in
2022-03-20
Health check-in — 3 months, dose 3
Feeling: Good

Adult check-in
2022-06-19
Health check-in — 6 months, dose 3
Feeling: Good

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-06-06	Pfizer-BioNTech
2	2021-06-28	Pfizer-BioNTech	No
3	2021-12-19	Pfizer-BioNTech	No

Free text

Release 8 — day 0, dose 1

2021-06-06

Systemic reaction (other): It felt like electrical zaps a few times on my arms and legs within 5 hours of getting vaccinated

Release 9 — days 1–6 daily, dose 2

2021-06-29

Systemic reaction (other): Heart feels like it's racing

Release 9 — day 21, dose 2

2021-07-21

Symptoms: Bad leg pain at night

Release 10 — 6 months, dose 2

2021-12-27

Symptoms: Got my booster and had a sore arm and fatique for a couple days

Release 10 — day 7, dose 3

2021-12-28

Systemic reaction (other): Fatique the day after I received the booster.

Release 10 — day 28, dose 3

2022-01-16

Symptoms: I was exposed briefly to someone who was exposed to Covid. I have developed a headache, stuffy, runny nose, some body aches, and watery eyes. Will get tested.

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	Exposure to SARS-CoV-2	·	·	✓
SD	Fatigue	·	·	✓
SD	Headache	·	·	✓
SD	Lacrimation increased	·	·	✓
SD	Nasal congestion	·	·	✓
SD	Pain	·	·	✓
SD	Pain in extremity	·	·	✓
SD	Rhinorrhoea	·	·	✓
SRO	Electric shock sensation	✓	✓	✓
SRO	Fatigue	·	·	✓
SRO	Palpitations	✓	✓	✓
SRO	Sensory disturbance	✓	✓	✓

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