Received Sep 23, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| COVID19 | COVID19 (COVID19 (PFIZER-BIONTECH)) | PFIZER\BIONTECH | 2 | — | — |
fatigue; muscle aches; headaches; chills / teeth chattering; sick; second dose was less; This is a spontaneous report received from a Consumer or other non HCP. Other Case identifier(s): MOD-2024-773535 (Moderna Clinical Safety and Pharmacovigilance). This spontaneous case was reported by a consumer and describes the occurrence of ILLNESS (sick), FATIGUE (fatigue), MYALGIA (muscle aches), HEADACHE (headaches) and CHILLS (chills / teeth chattering) in a patient who received mRNA-1273 (Moderna COVID-19 Vaccine). In January 2021, the patient received first dose of Tozinameran (Pfizer BioNTech COVID-19 vaccine) (unknown route) 1 dosage form. In February 2021, received second dose of Tozinameran (Pfizer BioNTech COVID-19 vaccine) (unknown route) dosage was changed to 1 dosage form. In September 2021, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. In January 2021, the patient experienced FATIGUE (fatigue), MYALGIA (muscle aches), HEADACHE (headaches) and CHILLS (chills / teeth chattering). On an unknown date, the patient experienced ILLNESS (sick) and EXTRA DOSE ADMINISTERED ((redacted) said that is why (redacted) has stuck with Moderna and has gotten everything (every vaccine) plus (redacted) 'unauthorized one'). At the time of the report, ILLNESS (sick) had resolved and FATIGUE (fatigue), MYALGIA (muscle aches), HEADACHE (headaches), CHILLS (chills / teeth chattering) and EXTRA DOSE ADMINISTERED ((redacted) said that is why (redacted) has stuck with Moderna and has gotten everything (every vaccine) plus (redacted) 'unauthorized one') outcome was unknown. No concomitant medications were reported. No vaccines were administered within the past 4 weeks. It was reported that, other than the first 2 doses in January/February 2021, when (redacted) got Pfizer, (redacted) always gets Moderna. It was reported that, (redacted) would get the vaccine in the morning and by 3 in the afternoon, (redacted) started to get the fatigue, muscle aches, headaches and chills. Sometimes (redacted) got teeth chattering and was sick the day after the vaccine but by that evening, (redacted) was fine. (redacted) tried to plan (redacted) activities accordingly. (redacted) got Moderna vaccine every 6 months because (redacted) was old and it was what (redacted) physician recommended. Somewhere in the beginning, (redacted) snuck in an extra dose because (redacted) was so petrified. (redacted) believed it was when there was a 2nd dose, where the first dose was a higher amount and the second dose was less. It was unknown if the patient experienced any additional symptoms/events. No treatment information was provided. No follow-up attempts are possible. Batch/lot number is not provided, and it cannot be obtained.; Sender's Comments: Linked Report(s) : US-PFIZER INC-PV202500113667 same patient, different dose/event;