Does not feel well,/She has been in bed all day; Difficulty breathing/has oxygen but difficult to breathe/She states she can't breathe/Oxygen level is 93/slightly lower than normal; Sore throat, and it hurts so bad; Arm is sore; Has a knot in arm; Diarrhea; Feels pressure/feels uncomfortable/distress; Booster shot: her head hurts so bad; She is running a fever; Feels nausea; This spontaneous case was reported by a consumer and describes the occurrence of MALAISE (Does not feel well,/She has been in bed all day), DYSPNOEA (Difficulty breathing/has oxygen but difficult to breathe/She states she can't breathe/Oxygen level is 93/slightly lower than normal), OROPHARYNGEAL PAIN (Sore throat, and it hurts so bad), PAIN IN EXTREMITY (Arm is sore) and LIMB MASS (Has a knot in arm) in a female patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On an unknown date, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form and first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient experienced MALAISE (Does not feel well,/She has been in bed all day), DYSPNOEA (Difficulty breathing/has oxygen but difficult to breathe/She states she can't breathe/Oxygen level is 93/slightly lower than normal), OROPHARYNGEAL PAIN (Sore throat, and it hurts so bad), PAIN IN EXTREMITY (Arm is sore), LIMB MASS (Has a knot in arm), DIARRHOEA (Diarrhea), DISCOMFORT (Feels pressure/feels uncomfortable/distress), HEADACHE (Booster shot: her head hurts so bad), PYREXIA (She is running a fever) and NAUSEA (Feels nausea). At the time of the report, MALAISE (Does not feel well,/She has been in bed all day), DYSPNOEA (Difficulty breathing/has oxygen but difficult to breathe/She states she can't breathe/Oxygen level is 93/slightly lower than normal), OROPHARYNGEAL PAIN (Sore throat, and it hurts so bad), PAIN IN EXTREMITY (Arm is sore), LIMB MASS (Has a knot in arm), DIARRHOEA (Diarrhea), DISCOMFORT (Feels pressure/feels uncomfortable/distress), HEADACHE (Booster shot: her head hurts so bad), PYREXIA (She is running a fever) and NAUSEA (Feels nausea) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Heart rate: slightly elevated (High) slightly elevated. On an unknown date, Oxygen saturation: 93 (Low) slightly lower than normal.         No concomitant medications were reported.  No treatment information was reported.  The patient had the booster shot. She does not feel well, she had running a fever, her first shot was bad, but her second shot was worse. She had her head hurt so bad, difficulty breathing, sore throat, and it hurts so bad. She had been in bed all day. Oxygen level was 93, slightly lower than normal. She had oxygen but had difficulty breathing. Her arm was sore, a knot in arm, heartrate was slightly elevated, felt nausea and diarrhea, felt pressure and uncomfortable. She was also in distress.   This case was linked to MOD-2021-351210 (Patient Link).