6K5-23547-63942 · OpenVSafe

Timeline

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

2021-01-29
Dose 1 — Moderna
2021-02-26
Dose 2 — Moderna
2021-08-20
Dose 3 — Moderna
2021-09-29
Registered in v-safe
2021-09-29
Survey response — day 35, dose 3
MedDRA: Brain fog, Fatigue, Headache, Unevaluable event — Feeling: Fair · Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional · Telehealth, virtual health, or email health consultation

Free text: Symptoms: Continued Fatigue, mild to severe headaches in back of head, and occasional brain fog · Healthcare visit (other): Brain and neck MRI

MedDRA releases: 2024-11 · check-in free text available
2021-09-29
Report sent to call center — day 35, dose 3
Be unable to do your normal daily activities · Get care from a doctor or other healthcare professional

Telehealth, virtual health, or email health consultation · 1 call case(s)
2021-10-03
Health check-in — day 42, dose 3
Feeling: Poor

Adult check-in
2021-11-22
Health check-in — 3 months, dose 3
Feeling: Good

Adult check-in
2021-12-06
Call successful
Participant prefers to complete VAERS report online
2022-02-20
Health check-in — 6 months, dose 3
Feeling: Good

Adult check-in
2022-03-31
Dose 4 — Moderna
2022-05-03
Survey response — day 28, dose 4
MedDRA: Brain fog, Fatigue, Headache, Vaccine positive rechallenge — Feeling: Fair

Free text: Severe headaches in back of head that recede and return multiple times every day. Also, more tired than usual and have some brain fog. These symptoms occurred after my first booster and lasted 5 months. Have returned about 3 weeks after my second

MedDRA releases: 2024-11 · check-in free text available
2022-05-08
Health check-in — day 35, dose 4
Feeling: Good

Adult check-in
2022-05-14
Survey response — day 42, dose 4
MedDRA: Aphasia, Fatigue, Headache — Feeling: Fair

Free text: Headaches in the back of the head, extremely tired and some trouble finding words again have resumed.

MedDRA releases: 2024-11 · check-in free text available
2022-07-02
Health check-in — 3 months, dose 4
Feeling: Good

Adult check-in

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-01-29	Moderna	No
2	2021-02-26	Moderna	No
3	2021-08-20	Moderna	No
4	2022-03-31	Moderna	No

Call center

1 call center case

1 successful

See the call center timeline

Free text

Release 9 — day 35, dose 3

2021-09-29

Symptoms: Continued Fatigue, mild to severe headaches in back of head, and occasional brain fog

Healthcare visit (other): Brain and neck MRI

Release 11 — day 28, dose 4

2022-05-03

Symptoms: Severe headaches in back of head that recede and return multiple times every day. Also, more tired than usual and have some brain fog. These symptoms occurred after my first booster and lasted 5 months. Have returned about 3 weeks after my second cut off by CDC

Release 11 — day 42, dose 4

2022-05-14

Symptoms: Headaches in the back of the head, extremely tired and some trouble finding words again have resumed.

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
HCVO	Unevaluable event	·	·	✓
SD	Aphasia	·	·	✓
SD	Brain fog	·	·	✓
SD	Fatigue	·	·	✓
SD	Headache	·	·	✓
SD	Vaccine positive rechallenge	·	·	✓

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