uncomfortable feeling in his right arm; it went into his neck and shoulder; barely move his arm; pain in his shoulder now in his arm/sore arm in his right arm for 48 hours; no energy, not strong and a little frail,overall demeanor is weak and feeble; could barely move his arm; Severe Pain from shoulder to neck; he was going to throw up; Having hard time doing daily routine; Severe Pain from shoulder to neck; Sore arm; This spontaneous case was reported by a consumer and describes the occurrence of LIMB DISCOMFORT (uncomfortable feeling in his right arm), NECK PAIN (it went into his neck and shoulder), HYPOKINESIA (barely move his arm), PAIN IN EXTREMITY (pain in his shoulder now in his arm/sore arm in his right arm for 48 hours) and ASTHENIA (no energy, not strong and a little frail,overall demeanor is weak and feeble) in an 82-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 037A21B and 030A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included COPD.   On 10-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 07-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 07-Apr-2021, the patient experienced PAIN IN EXTREMITY (Sore arm). On 19-Apr-2021, the patient experienced LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (Having hard time doing daily routine) and the first episode of ARTHRALGIA (Severe Pain from shoulder to neck). On an unknown date, the patient experienced LIMB DISCOMFORT (uncomfortable feeling in his right arm), NECK PAIN (it went into his neck and shoulder), HYPOKINESIA (barely move his arm), PAIN IN EXTREMITY (pain in his shoulder now in his arm/sore arm in his right arm for 48 hours), ASTHENIA (no energy, not strong and a little frail,overall demeanor is weak and feeble), MOBILITY DECREASED (could barely move his arm), the second episode of ARTHRALGIA (Severe Pain from shoulder to neck) and VOMITING (he was going to throw up). On 10-Apr-2021, PAIN IN EXTREMITY (Sore arm) had resolved. At the time of the report, LIMB DISCOMFORT (uncomfortable feeling in his right arm), NECK PAIN (it went into his neck and shoulder), HYPOKINESIA (barely move his arm), PAIN IN EXTREMITY (pain in his shoulder now in his arm/sore arm in his right arm for 48 hours), ASTHENIA (no energy, not strong and a little frail,overall demeanor is weak and feeble), MOBILITY DECREASED (could barely move his arm), LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (Having hard time doing daily routine), the last episode of ARTHRALGIA (Severe Pain from shoulder to neck) and VOMITING (he was going to throw up) outcome was unknown. Not Provided          The action taken with mRNA-1273(Moderna COVID-19 Vaccine) was not applicable  No concomitant medications were reported  No treatment drugs were reported   This case was linked to US-MODERNATX, INC.-MOD-2021-092872 (Linked Report).   Most recent FOLLOW-UP information incorporated above includes: On 27-Apr-2021: Events updated, stop date of the event updated (sore arm); Sender's Comments:  US-MODERNATX, INC.-MOD-2021-092872:Cross linked case