2NW-17111-95324

2 vaccinations 6 coded responses 6 check-ins 6 free-text entries 5 call cases

Sex: Male
Age at first dose: 36-40
ZIP prefix: 112 / NY
Registered: 2021-05-12

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

2021-04-06
Dose 1 — Pfizer-BioNTech
2021-04-27
Dose 2 — Pfizer-BioNTech
2021-05-12
Registered in v-safe
2021-05-12
Survey response — day 14, dose 2
MedDRA: Brain fog, Dizziness, Fatigue, Head discomfort, Headache, Influenza — Feeling: Poor · Be unable to work, Be unable to do your normal daily activities

Free text: I have had terrible headache, pressure in head and flu symptoms for 4 days after 2nd dose. Since then symptoms have got better, but over 2 weeks later, still experiencing headaches, brain fog, dizziness and fatigue.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-18
Survey response — day 21, dose 2
MedDRA: Brain fog, Dizziness, Fatigue, Headache — Feeling: Poor · Be unable to work, Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional · Outpatient clinic or urgent care clinic visit

Free text: Headaches, dizziness, brain fog, fatigue.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-18
Report sent to call center — day 21, dose 2
Be unable to work · Be unable to do your normal daily activities · Get care from a doctor or other healthcare professional

1 call case(s)
2021-05-27
Survey response — day 28, dose 2
MedDRA: Brain fog, Dizziness, Fatigue, Headache, Myalgia, Nausea, SARS-CoV-2 antibody test negative, SARS-CoV-2 test negative — Feeling: Poor · Be unable to work, 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: Headaches, muscle aches, nausea, dizziness, brain fog, severe fatigue. Doctor ordered COVID test and COVID antibody test but both came back negative. The symptoms started hours after 2nd dose Pfizer and still havent gone away, 4 weeks later.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-27
Report sent to call center — day 28, dose 2
Be unable to work · Be unable to do your normal daily activities · Get care from a doctor or other healthcare professional

1 call case(s)
2021-06-01
Survey response — day 35, dose 2
MedDRA: Brain fog, Dizziness, Fatigue, Feeling abnormal, Headache, Nausea, Neck pain — Feeling: Poor · Be unable to work, 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: Persistent headaches, neck ache, brain fog, feeling spaced out, dizziness, extreme fatigue, nausea

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-06-01
Report sent to call center — day 35, dose 2
Be unable to work · Be unable to do your normal daily activities · Get care from a doctor or other healthcare professional

1 call case(s)
2021-06-09
Survey response — day 42, dose 2
MedDRA: Body temperature fluctuation, Brain fog, Dizziness, Head discomfort, Headache, Hyperhidrosis, Temperature regulation disorder — Feeling: Poor · Be unable to work, Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional · Outpatient clinic or urgent care clinic visit

Free text: Headaches, head throbbing, pressure in head, dizziness, brain fog, temperature deregulation, sweats.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-06-09
Report sent to call center — day 42, dose 2
Be unable to work · Be unable to do your normal daily activities · Get care from a doctor or other healthcare professional

1 call case(s)
2021-07-29
Survey response — 3 months, dose 2
MedDRA: Dizziness, Head discomfort, Headache — Feeling: Fair · Be unable to work or attend school, Be unable to do your normal daily activities, Get care from a doctor or other healthcare professional · Telehealth, virtual health, or email health consultation, Outpatient clinic or urgent care clinic visit

Free text: Dizziness, head pressure, headaches

MedDRA releases: 2021-09,2024-11 · check-in free text available
2021-07-29
Report sent to call center — 3 months, dose 2
Be unable to work or attend school · Be unable to do your normal daily activities · Get care from a doctor or other healthcare pr

1 call case(s)
2021-08-09
Call 1 — Left Voicemail
2021-09-01
Call 2 — Left Voicemail

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-04-06	Pfizer-BioNTech
2	2021-04-27	Pfizer-BioNTech

Call center

5 call center cases

5 unsuccessful

See the call center timeline

Free text

Release 8 — day 14, dose 2

2021-05-12

Symptoms: I have had terrible headache, pressure in head and flu symptoms for 4 days after 2nd dose. Since then symptoms have got better, but over 2 weeks later, still experiencing headaches, brain fog, dizziness and fatigue.

Release 8 — day 21, dose 2

2021-05-18

Symptoms: Headaches, dizziness, brain fog, fatigue.

Release 8 — day 28, dose 2

2021-05-27

Symptoms: Headaches, muscle aches, nausea, dizziness, brain fog, severe fatigue. Doctor ordered COVID test and COVID antibody test but both came back negative. The symptoms started hours after 2nd dose Pfizer and still havent gone away, 4 weeks later.

Release 8 — day 35, dose 2

2021-06-01

Symptoms: Persistent headaches, neck ache, brain fog, feeling spaced out, dizziness, extreme fatigue, nausea

Release 8 — day 42, dose 2

2021-06-09

Symptoms: Headaches, head throbbing, pressure in head, dizziness, brain fog, temperature deregulation, sweats.

Release 9 — 3 months, dose 2

2021-07-29

Symptoms: Dizziness, head pressure, headaches

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	Body temperature fluctuation	✓	✓	○
SD	Brain fog	✓	✓	✓
SD	Dizziness	✓	✓	✓
SD	Fatigue	✓	✓	✓
SD	Feeling abnormal	✓	✓	✓
SD	Head discomfort	✓	✓	✓
SD	Headache	✓	✓	✓
SD	Hyperhidrosis	✓	✓	✓
SD	Influenza	✓	✓	✓
SD	Myalgia	✓	✓	✓
SD	Nausea	✓	✓	✓
SD	Neck pain	✓	✓	✓
SD	SARS-CoV-2 antibody test negative	✓	✓	✓
SD	SARS-CoV-2 test negative	✓	✓	✓
SD	Temperature regulation disorder	·	·	✓

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