Redness; Allergy to vaccine; Vaccination site movement impairment; slept most of the next day; weak/still feels "a little weak"; right arm became sore/right arm still hurts; Headache that was really bad the first day/achy head; Right arm became swollen; Nauseated; received 3rd full dose but is not immunocompromised; This spontaneous case was reported by a consumer and describes the occurrence of SOMNOLENCE (slept most of the next day), VACCINATION SITE MOVEMENT IMPAIRMENT (Vaccination site movement impairment), ASTHENIA (weak/still feels "a little weak"), VACCINATION SITE PAIN (right arm became sore/right arm still hurts) and HEADACHE (Headache that was really bad the first day/achy head) in a 77-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 012F21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below. Concurrent medical conditions included Allergy to chemicals (MRI Contrast Dye). On 29-Oct-2021, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 29-Oct-2021, the patient experienced ASTHENIA (weak/still feels "a little weak"), VACCINATION SITE PAIN (right arm became sore/right arm still hurts), HEADACHE (Headache that was really bad the first day/achy head), VACCINATION SITE SWELLING (Right arm became swollen), NAUSEA (Nauseated) and ACCIDENTAL OVERDOSE (received 3rd full dose but is not immunocompromised). On 30-Oct-2021, the patient experienced SOMNOLENCE (slept most of the next day). On 01-Nov-2021, the patient experienced VACCINATION SITE MOVEMENT IMPAIRMENT (Vaccination site movement impairment). On an unknown date, the patient experienced ERYTHEMA (Redness) and ALLERGY TO VACCINE (Allergy to vaccine). The patient was treated with NAPROXEN SODIUM (ALEVE) for Adverse event, at an unspecified dose and frequency and ELECTROLYTES NOS for Adverse event, at an unspecified dose and frequency. On 29-Oct-2021, ACCIDENTAL OVERDOSE (received 3rd full dose but is not immunocompromised) had resolved. At the time of the report, SOMNOLENCE (slept most of the next day), VACCINATION SITE MOVEMENT IMPAIRMENT (Vaccination site movement impairment), VACCINATION SITE SWELLING (Right arm became swollen), NAUSEA (Nauseated), ERYTHEMA (Redness) and ALLERGY TO VACCINE (Allergy to vaccine) outcome was unknown and ASTHENIA (weak/still feels "a little weak"), VACCINATION SITE PAIN (right arm became sore/right arm still hurts) and HEADACHE (Headache that was really bad the first day/achy head) had not resolved. No concomitant medication was provided. After the 3rd "full" dose, the patient stated that she experienced adverse reactions and became nauseated, weak and slept most of the time the day after the injection. She reported that her right arm became sore and swollen after the injection. She reported a headache that was really bad the first day. On 01-Nov-2021, she stated she still had an achy head, her right arm still hurts and she can't raise it and she was still feels "a little weak". For treatment she took Aleve. She reported she can't take ibuprofen. She also made an electrolyte recipe with sugar, salt, and Jell-O that she reported she was taking.  She stated she was not currently taking any daily medications, but used to take a "tummy" medicine (unspecified) but stopped it.This case was linked to MOD-2021-370428 (Patient Link). Most recent FOLLOW-UP information incorporated above includes: On 02-Nov-2021: Follow up received, New event( Redness, allergy to vaccine) added.