2GW-94786-83860 · OpenVSafe

Timeline

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

2021-01-08
Dose 1 — Moderna
2021-01-14
Registered in v-safe
2021-01-14
Survey response — days 1–6 daily, dose 1
MedDRA: Arthralgia, Joint swelling, Mobility decreased, Pre-existing disease — Feeling: Good · Site: Pain

Free text: Swelling to left knee. Hx arthritis in this knee. Swelling started the day I received shot. It is better but still can not bend it well. Can not squat due to swelling / pain if I try. Unsure if this has anything to do with vaccine but I have not injured this knee and have never had this before. Just wanted to report in case it has happened to anyone else. I know some meds can cause spontaneous tendon problems.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-01-15
Health check-in — day 7, dose 1
Feeling: Good · None

Adult check-in
2021-01-29
Health check-in — day 21, dose 1
Feeling: Good

Adult check-in
2021-02-04
Dose 2 — Moderna
2021-02-07
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain, Redness · Chills, Headache, Joint pains, Muscle or body aches, Fatigue or tiredness · Be unable to work, Be unable to do your normal daily activities

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-01-08	Moderna
2	2021-02-04	Moderna

Free text

Release 1 — days 1–6 daily, dose 1

2021-01-14

Systemic reaction (other): Swelling to left knee. Hx arthritis in this knee. Swelling started the day I received shot. It is better but still can not bend it well. Can not squat due to swelling / pain if I try. Unsure if this has anything to do with vaccine but I have not injured this knee and have never had this before. Just wanted to report in case it has happened to anyone else. I know some meds can cause spontaneous tendon problems.

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
SRO	Arthralgia	✓	✓	✓
SRO	Joint swelling	✓	✓	✓
SRO	Mobility decreased	✓	✓	✓
SRO	Pre-existing disease	✓	✓	✓

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