feels terribly weak; hurt really bad; her arms don't work and hands don't work; hands are tingly and don't work; Inappropriate schedule of vaccine administered; Arm on the injection site was hard; Arm on the injection site was red; Arm on the injection site was swelling; Arm on the injection site hurts and  feels like it was hit by a baseball; This spontaneous case was reported by a consumer and describes the occurrence of ASTHENIA (feels terribly weak), PAIN (hurt really bad), HYPOKINESIA (her arms don't work and hands don't work) and PARAESTHESIA (hands are tingly and don't work) in a 77-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 029L20A and 038B21) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Blood pressure.   On 05-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 19-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 06-Feb-2021, the patient experienced VACCINATION SITE INDURATION (Arm on the injection site was hard), VACCINATION SITE ERYTHEMA (Arm on the injection site was red), VACCINATION SITE SWELLING (Arm on the injection site was swelling) and VACCINATION SITE PAIN (Arm on the injection site hurts and  feels like it was hit by a baseball). On 19-Apr-2021, the patient experienced INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (Inappropriate schedule of vaccine administered). On an unknown date, the patient experienced ASTHENIA (feels terribly weak) (seriousness criterion hospitalization), PAIN (hurt really bad) (seriousness criterion hospitalization), HYPOKINESIA (her arms don't work and hands don't work) (seriousness criterion hospitalization) and PARAESTHESIA (hands are tingly and don't work) (seriousness criterion hospitalization). The patient was hospitalized from 24-Jun-2021 to 28-Jun-2021 due to ASTHENIA, HYPOKINESIA, PAIN and PARAESTHESIA. The patient was treated with IBUPROFEN for Adverse event, at an unspecified dose and frequency. On 19-Apr-2021, INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (Inappropriate schedule of vaccine administered) had resolved. At the time of the report, ASTHENIA (feels terribly weak), PAIN (hurt really bad), HYPOKINESIA (her arms don't work and hands don't work), PARAESTHESIA (hands are tingly and don't work), VACCINATION SITE INDURATION (Arm on the injection site was hard), VACCINATION SITE ERYTHEMA (Arm on the injection site was red), VACCINATION SITE SWELLING (Arm on the injection site was swelling) and VACCINATION SITE PAIN (Arm on the injection site hurts and  feels like it was hit by a baseball) outcome was unknown.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   During the hospitalization the patient had a MRI, CAT scans, X-rays and sonograms, results were not provided. Patient was discharge to rest at home without an official diagnosis.  No concomitant products reported. No treatment medications were reported.  Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.   Most recent FOLLOW-UP information incorporated above includes: On 29-Jun-2021: Significant follow up appended to AER; document contains new events, hospitalization dates, and lot numbers for suspect product.; Sender's Comments: Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.