Unable to eat; Bad headache; Dizziness; Fever; Nausea; Chest pain, felt like it was her heart; Pain in her kidneys; Pain in her abdomen; Pain in her legs; Pain in her arms; She stated that she can't go to work.; This spontaneous case was reported by a consumer and describes the occurrence of FEEDING DISORDER (Unable to eat), HEADACHE (Bad headache), DIZZINESS (Dizziness), PYREXIA (Fever), NAUSEA (Nausea), CHEST PAIN (Chest pain, felt like it was her heart), RENAL PAIN (Pain in her kidneys), ABDOMINAL PAIN (Pain in her abdomen), PAIN IN EXTREMITY (Pain in her legs), PAIN IN EXTREMITY (Pain in her arms) and IMPAIRED WORK ABILITY (She stated that she can't go to work.) in a 42-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination.     No Medical History information was reported.   On 09-Oct-2021, the patient received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced FEEDING DISORDER (Unable to eat) (seriousness criterion medically significant), NAUSEA (Nausea) (seriousness criterion medically significant), CHEST PAIN (Chest pain, felt like it was her heart) (seriousness criterion medically significant), RENAL PAIN (Pain in her kidneys) (seriousness criterion medically significant), ABDOMINAL PAIN (Pain in her abdomen) (seriousness criterion medically significant), PAIN IN EXTREMITY (Pain in her legs) (seriousness criterion medically significant), PAIN IN EXTREMITY (Pain in her arms) (seriousness criterion medically significant) and IMPAIRED WORK ABILITY (She stated that she can't go to work.) (seriousness criterion medically significant). an unknown date, the patient experienced HEADACHE (Bad headache) (seriousness criterion medically significant), DIZZINESS (Dizziness) (seriousness criterion medically significant) and PYREXIA (Fever) (seriousness criterion medically significant). The patient was treated with PARACETAMOL (TYLENOL) for Adverse event, at an unspecified dose and frequency. At the time of the report, FEEDING DISORDER (Unable to eat), HEADACHE (Bad headache), DIZZINESS (Dizziness), PYREXIA (Fever), NAUSEA (Nausea), CHEST PAIN (Chest pain, felt like it was her heart), RENAL PAIN (Pain in her kidneys), ABDOMINAL PAIN (Pain in her abdomen), PAIN IN EXTREMITY (Pain in her legs), PAIN IN EXTREMITY (Pain in her arms) and IMPAIRED WORK ABILITY (She stated that she can't go to work.) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, White blood cell count: low (Low) white blood cells were low.         Concomitant product use was not provided by reporter.  No treatment information was provided.  Patient stated Patient went to the Emergency room on 11OCT2021 and they did blood work, ran tests and gave her medicine. All the blood work was normal except white blood cells.   This case was linked to MOD-2021-350940 (Patient Link).; Sender's Comments: This case concerns a 42-year-old female female subject, with no relevant medical history, who experienced the serious unexpected events of IMPAIRED WORK ABILITY and CHEST PAIN. The events occurred approximately 10 hours after the administration of the second dose of COVID 19 Vaccine Moderna. The rechallenge was not applicable, as no additional dosing will be given. The benefit-risk relationship of Moderna COVID-19 Vaccine is not affected by this report.