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Timeline

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

2020-12-31
Dose 1 — Moderna
2021-01-25
Registered in v-safe
2021-01-25
Dose 2 — Moderna
2021-01-26
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Site: Pain · Chills, Headache, Joint pains, Muscle or body aches, Fatigue or tiredness, Nausea

Adult check-in
2021-01-27
Survey response — days 1–6 daily, dose 2
MedDRA: Musculoskeletal stiffness, Pyrexia — Feeling: Fair · Site: Pain · Fever · Chills, Headache, Joint pains, Muscle or body aches, Fatigue or tiredness · Be unable to work

Free text: Fever, neck stiffness

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-01-28
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · Joint pains, Fatigue or tiredness

Adult check-in
2021-09-08
Dose 3 — Moderna
2021-10-23
Health check-in — day 42, dose 3
Feeling: Good

Adult check-in
2021-12-10
Health check-in — 3 months, dose 3
Feeling: Good

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2020-12-31	Moderna
2	2021-01-25	Moderna
3	2021-09-08	Moderna	No

Free text

Release 2 — days 1–6 daily, dose 2

2021-01-27

Systemic reaction (other): Fever, 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
SRO	Musculoskeletal stiffness	✓	✓	✓
SRO	Pyrexia	✓	✓	✓

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