This morning he woke up around 2am shaking; muscles were hurting; severe joint pain; fever was 104.5degF; very hot to touch; was very wet and sweaty; he felt very nauseous; He was having trouble moving; constricted movements; we measured him again and it was 106degF within just next 15 mins; was having difficulty swallowing the ibuprofen pill; shaking; in the morning, his blood pressure was 112/60; pulse was 66; sore arm; Fever; achiness; achiness; fever ranging from 99degF-102degF for couple days; This spontaneous case was reported by a consumer and describes the occurrence of the first episode of MYALGIA (achiness), PYREXIA (fever ranging from 99degF-102degF for couple days), PAIN IN EXTREMITY (sore arm), PYREXIA (Fever) and the second episode of MYALGIA (achiness) in a 21-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 001B21A and 001C21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 25-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 20-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 25-Mar-2021, the patient experienced the first episode of MYALGIA (achiness) and PYREXIA (fever ranging from 99degF-102degF for couple days). On 20-Apr-2021, the patient experienced PAIN IN EXTREMITY (sore arm), PYREXIA (Fever) and the second episode of MYALGIA (achiness). On an unknown date, the patient experienced TREMOR (This morning he woke up around 2am shaking), MYALGIA (muscles were hurting), ARTHRALGIA (severe joint pain), PYREXIA (fever was 104.5degF), FEELING HOT (very hot to touch), HYPERHIDROSIS (was very wet and sweaty), NAUSEA (he felt very nauseous), DYSKINESIA (He was having trouble moving), MOVEMENT DISORDER (constricted movements), PYREXIA (we measured him again and it was 106degF within just next 15 mins), DYSPHAGIA (was having difficulty swallowing the ibuprofen pill), TREMOR (shaking), BLOOD PRESSURE MEASUREMENT (in the morning, his blood pressure was 112/60) and PULSE ABNORMAL (pulse was 66). The patient was treated with IBUPROFEN at an unspecified dose and frequency and IBUPROFEN (MOTRIN [IBUPROFEN]) at an unspecified dose and frequency. At the time of the report, PYREXIA (fever ranging from 99degF-102degF for couple days) had resolved and PAIN IN EXTREMITY (sore arm), PYREXIA (Fever), the last episode of MYALGIA (achiness), TREMOR (This morning he woke up around 2am shaking), MYALGIA (muscles were hurting), ARTHRALGIA (severe joint pain), PYREXIA (fever was 104.5degF), FEELING HOT (very hot to touch), HYPERHIDROSIS (was very wet and sweaty), NAUSEA (he felt very nauseous), DYSKINESIA (He was having trouble moving), MOVEMENT DISORDER (constricted movements), PYREXIA (we measured him again and it was 106degF within just next 15 mins), DYSPHAGIA (was having difficulty swallowing the ibuprofen pill), TREMOR (shaking), BLOOD PRESSURE MEASUREMENT (in the morning, his blood pressure was 112/60) and PULSE ABNORMAL (pulse was 66) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 25-Mar-2021, Body temperature: ranging from 99F - 102F.         This case was linked to MODERNATX, INC.-MOD-2021-083418, MODERNATX, INC.-MOD-2021-083439 (E2B Linked Report). This case was linked to MOD-2021-084078 (Patient Link); Sender's Comments:  MODERNATX, INC.-MOD-2021-083418:Mother case- dose 1 MODERNATX, INC.-MOD-2021-083439:Mother case- dose 2