Z5U-83131-05012 · OpenVSafe

Timeline

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

2021-03-10
Dose 1 — Pfizer-BioNTech
2021-03-31
Dose 2 — Pfizer-BioNTech
2021-04-06
Registered in v-safe
2021-04-06
Survey response — days 1–6 daily, dose 2
MedDRA: Back pain, Pain in extremity, Paraesthesia — Feeling: Poor · Muscle or body aches · Be unable to do your normal daily activities

Free text: Traveling pains in my back, legs and feet, and pins and needles in my extremities.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-07
Survey response — day 7, dose 2
MedDRA: Paraesthesia — Feeling: Fair · Site: Pain · Muscle or body aches

Free text: Mild pins and needles in my extremities

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-14
Health check-in — day 14, dose 2
Feeling: Fair

Adult check-in
2021-04-21
Survey response — day 21, dose 2
MedDRA: Back pain, Injection site pain, Muscle spasms, Musculoskeletal stiffness, Paraesthesia — Feeling: Fair · Be unable to do your normal daily activities

Free text: My symptoms havent subsided. Its been three weeks, and I still have neck stiffness, lower back pain, muscle spasms, and pins and needles in my extremities. My left arm is still sore where I had the injection.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-28
Health check-in — day 28, dose 2
Feeling: Good

Adult check-in
2021-05-05
Health check-in — day 35, dose 2
Feeling: Good

Adult check-in
2021-05-12
Health check-in — day 42, dose 2
Feeling: Good

Adult check-in
2021-07-02
Survey response — 3 months, dose 2
MedDRA: Inflammation, Rash, Skin swelling, Tattoo associated skin reaction — Feeling: Good

Free text: I got a tattoo two months after my second Pfizer dose. I have many tattoos and have never had a skin reaction to the ink. My skin puffed up and the tattoo was bumpy. It took two months for the inflammation to go down.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-10-01
Survey response — 6 months, dose 2
MedDRA: Musculoskeletal stiffness, Vertigo — Feeling: Good · Get care from a doctor or other healthcare professional · Telehealth, virtual health, or email health consultation

Free text: Vertigo and neck stiffness

MedDRA releases: 2024-11 · check-in free text available
2021-10-01
Report sent to call center — 6 months, dose 2
Get care from a doctor or other healthcare professional

Telehealth, virtual health, or email health consultation · 1 call case(s)
2021-11-04
Dose 3 — Pfizer-BioNTech
2021-11-22
Call 1 — Left Voicemail
2022-04-02
Health check-in — 12 months, dose 2
Feeling: Good

Adult check-in
2022-04-24
Dose 4 — Pfizer-BioNTech
2022-10-23
Health check-in — 6 months, dose 4
Feeling: Good

Adult check-in
2023-04-24
Survey response — 12 months, dose 4
MedDRA: Pain in extremity, Paraesthesia — Feeling: Fair

MedDRA releases: 2024-11

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-03-10	Pfizer-BioNTech
2	2021-03-31	Pfizer-BioNTech
3	2021-11-04	Pfizer-BioNTech	No
4	2022-04-24	Pfizer-BioNTech	No

Call center

Reported	Outcome	VAERS-related outcome
2021-10-01	Unsuccessful

Free text

Release 7 — days 1–6 daily, dose 2

2021-04-06

Systemic reaction (other): Traveling pains in my back, legs and feet, and pins and needles in my extremities.

Release 7 — day 7, dose 2

2021-04-07

Systemic reaction (other): Mild pins and needles in my extremities

Release 7 — day 21, dose 2

2021-04-21

Symptoms: My symptoms havent subsided. Its been three weeks, and I still have neck stiffness, lower back pain, muscle spasms, and pins and needles in my extremities. My left arm is still sore where I had the injection.

Release 9 — 3 months, dose 2

2021-07-02

Symptoms: I got a tattoo two months after my second Pfizer dose. I have many tattoos and have never had a skin reaction to the ink. My skin puffed up and the tattoo was bumpy. It took two months for the inflammation to go down.

Release 9 — 6 months, dose 2

2021-10-01

Symptoms: Vertigo and neck stiffness

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	Back pain	✓	✓	✓
SD	Inflammation	✓	✓	✓
SD	Injection site pain	✓	✓	✓
SD	Muscle spasms	✓	✓	✓
SD	Musculoskeletal stiffness	✓	✓	✓
SD	Pain in extremity	·	·	✓
SD	Paraesthesia	✓	✓	✓
SD	Rash	✓	✓	✓
SD	Skin swelling	✓	✓	✓
SD	Tattoo associated skin reaction	✓	✓	✓
SD	Vertigo	·	·	✓
SRO	Back pain	✓	✓	✓
SRO	Pain in extremity	✓	✓	✓
SRO	Paraesthesia	✓	✓	✓

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