5C9-28319-05249

4 vaccinations 9 coded responses 21 check-ins 8 free-text entries 2 call cases

Sex: Female
Age at first dose: 46-50
ZIP prefix: 322 / FL
Registered: 2021-03-13

Relationship: Self
Race: White
Ethnicity: Not Hispanic or Latino

Timeline

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

2021-02-13
Dose 1 — Moderna
2021-03-13
Registered in v-safe
2021-03-13
Dose 2 — Moderna
2021-03-13
Health check-in — day 0, dose 2
Feeling: Good · Site: Pain · Fatigue or tiredness

Adult check-in
2021-03-14
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Site: Pain · Headache, Muscle or body aches, Fatigue or tiredness · Be unable to do your normal daily activities

Adult check-in
2021-03-15
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Site: Pain · Headache

Adult check-in
2021-03-16
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Headache

Adult check-in
2021-03-17
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-03-19
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Headache

Adult check-in
2021-03-20
Health check-in — day 7, dose 2
Feeling: Good · Headache

Adult check-in
2021-03-27
Health check-in — day 14, dose 2
Feeling: Good

Adult check-in
2021-04-03
Survey response — day 21, dose 2
MedDRA: Breast pain, Nipple pain — Feeling: Fair

Free text: Soar breasts. Both are soar - the left (had shot in left arm) a little more than the right. Nipples are tender too. Started mid menstruation and has not gone away yet (menstruation ended 3/30)

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-10
Survey response — day 28, dose 2
MedDRA: Breast pain, Breast swelling — Feeling: Good

Free text: Still having soar and swollen breasts

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-17
Survey response — day 35, dose 2
MedDRA: Fatigue, Headache, Malaise — Feeling: Good

Free text: Might be the pollen. But for past 5 days have had headaches and fatigue. Generally not feeling well.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-24
Health check-in — day 42, dose 2
Feeling: Good

Adult check-in
2021-06-12
Health check-in — 3 months, dose 2
Feeling: Good

Adult check-in
2021-08-17
Dose 3 — Moderna
2021-09-11
Health check-in — 6 months, dose 2
Feeling: Good

Adult check-in
2021-11-16
Survey response — 3 months, dose 3
MedDRA: Breast tenderness, Menstruation irregular, Reaction to previous exposure to any vaccine, Unevaluable event — Feeling: Good · Get care from a doctor or other healthcare professional

Free text: Symptoms: I experienced irregular menstrual cycles for the first time after my initial Covid shots. Things seem to go back to normal until about a month after my booster. Now my periods are very irregular again More breast tenderness shorter time between cycle · Healthcare visit (other): I'm scheduled to see my gynecologist

MedDRA releases: 2024-11 · check-in free text available
2021-11-16
Report sent to call center — 3 months, dose 3
Get care from a doctor or other healthcare professional

1 call case(s)
2021-11-17
Call 1 — Left Voicemail
2022-02-15
Survey response — 6 months, dose 3
MedDRA: Breast enlargement, Breast tenderness, Menstruation irregular, Vaccine positive rechallenge — Feeling: Good · Get care from a doctor or other healthcare professional · Outpatient clinic or urgent care clinic visit

Free text: My menstrual cycle got inconsistent and symptoms magnified (breasts more enlarged and increased tenderness) for many months after getting each of my Covid-19 vaccines (3).

MedDRA releases: 2024-11 · check-in free text available
2022-02-15
Report sent to call center — 6 months, dose 3
Get care from a doctor or other healthcare professional

Outpatient clinic or urgent care clinic visit · 1 call case(s)
2022-02-16
Call 1 — Could Not Reach Participant
2022-02-21
Call 2 — Could Not Reach Participant
2022-08-17
Survey response — 12 months, dose 3
MedDRA: COVID-19, Menstruation irregular — Feeling: Good

Free text: Missed my period in June following being positive for Covid 19

MedDRA releases: 2024-11 · check-in free text available
2022-09-10
Dose 4 — Moderna
Co-administered: Flu
2022-10-21
Survey response — day 35, dose 4
MedDRA: Breast tenderness, Menstruation irregular — Feeling: Good

Free text: Irregular period and breast tenderness that is different from my norm

MedDRA releases: 2024-11 · check-in free text available
2022-10-22
Survey response — day 42, dose 4
MedDRA: Breast tenderness, Menstruation irregular — Feeling: Good

Free text: Irregular period, breast tenderness. More than usual

MedDRA releases: 2024-11 · check-in free text available
2022-12-10
Health check-in — 3 months, dose 4
Feeling: Good

Adult check-in
2023-03-11
Survey response — 6 months, dose 4
MedDRA: Menstruation irregular, Office visit — Feeling: Good

MedDRA releases: 2024-11

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-02-13	Moderna
2	2021-03-13	Moderna
3	2021-08-17	Moderna	No
4	2022-09-10	Moderna	Flu

Call center

2 call center cases

2 unsuccessful

See the call center timeline

Free text

Release 6 — day 21, dose 2

2021-04-03

Symptoms: Soar breasts. Both are soar - the left (had shot in left arm) a little more than the right. Nipples are tender too. Started mid menstruation and has not gone away yet (menstruation ended 3/30)

Release 7 — day 28, dose 2

2021-04-10

Symptoms: Still having soar and swollen breasts

Release 7 — day 35, dose 2

2021-04-17

Symptoms: Might be the pollen. But for past 5 days have had headaches and fatigue. Generally not feeling well.

Release 10 — 3 months, dose 3

2021-11-16

Symptoms: I experienced irregular menstrual cycles for the first time after my initial Covid shots. Things seem to go back to normal until about a month after my booster. Now my periods are very irregular again More breast tenderness shorter time between cycle cut off by CDC

Healthcare visit (other): I'm scheduled to see my gynecologist

Release 11 — 6 months, dose 3

2022-02-15

Symptoms: My menstrual cycle got inconsistent and symptoms magnified (breasts more enlarged and increased tenderness) for many months after getting each of my Covid-19 vaccines (3).

Release 12 — 12 months, dose 3

2022-08-17

Symptoms: Missed my period in June following being positive for Covid 19

Release 12 — day 35, dose 4

2022-10-21

Symptoms: Irregular period and breast tenderness that is different from my norm

Release 12 — day 42, dose 4

2022-10-22

Symptoms: Irregular period, breast tenderness. More than usual

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	Breast enlargement	·	·	✓
SD	Breast pain	✓	✓	✓
SD	Breast swelling	✓	✓	✓
SD	Breast tenderness	·	·	✓
SD	COVID-19	·	·	✓
SD	Fatigue	✓	✓	✓
SD	Headache	✓	✓	✓
SD	Malaise	✓	✓	✓
SD	Menstruation irregular	·	·	✓
SD	Nipple pain	✓	✓	✓
SD	Office visit	·	·	✓
SD	Reaction to previous exposure to any vaccine	·	·	✓
SD	Vaccine positive rechallenge	·	·	✓

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