Weakness; Dizziness; Cannot work/Struggles to function throughout the day; Struggles to lift her limbs; Muscle ache; Severe fatigue/feels exhaustion; Headache; This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of ASTHENIA (Weakness), DIZZINESS (Dizziness), LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (Cannot work/Struggles to function throughout the day), LIMB IMMOBILISATION (Struggles to lift her limbs) and MYALGIA (Muscle ache) in a 57-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 022C21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included COVID-19 on 23-Feb-2021. Concurrent medical conditions included Grass allergy, Allergic asthma, Dust allergy and Allergy NOS (Trees). Concomitant products included ALBUTEROL [SALBUTAMOL] from 01-Jan-2000 to an unknown date for Allergic asthma, FLUTICASONE PROPIONATE (FLONASE [FLUTICASONE PROPIONATE]) from 01-Jan-2000 to an unknown date and LEVOCETIRIZINE DIHYDROCHLORIDE (XYZAL) from 01-Jan-2000 to an unknown date for Allergy, ELDERBERRY [SAMBUCUS NIGRA] from 25-Feb-2021 to an unknown date for Zinc, CYANOCOBALAMIN (VITAMIN B12 [CYANOCOBALAMIN]), ZINC, ONE A DAY WOMEN'S from 01-Jan-2000 to an unknown date and MULTIVITAMIN [VITAMINS NOS] for an unknown indication.    On 04-Jun-2021 at 9:10 AM, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 04-Jun-2021, the patient experienced ASTHENIA (Weakness), DIZZINESS (Dizziness), LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (Cannot work/Struggles to function throughout the day), LIMB IMMOBILISATION (Struggles to lift her limbs), MYALGIA (Muscle ache), FATIGUE (Severe fatigue/feels exhaustion) and HEADACHE (Headache). The patient was treated with PARACETAMOL (TYLENOL) for Headache, at an unspecified dose and frequency. On 07-Jun-2021, HEADACHE (Headache) had resolved. At the time of the report, ASTHENIA (Weakness), DIZZINESS (Dizziness), LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (Cannot work/Struggles to function throughout the day), LIMB IMMOBILISATION (Struggles to lift her limbs), MYALGIA (Muscle ache) and FATIGUE (Severe fatigue/feels exhaustion) had not resolved.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       On 25-Feb-2021, the patient received monoclonal antibodies. Patient went to urgent care on unknown date and was prescribed to drink lots of water, sleep along with acetaminophen. Patient was test for Covid on unknown date and same was negative. On unknown date, patient visited with Family Physician and diagnosed patient with Long Haulers due to Vaccine.   This case was linked to MOD-2021-278380 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 05-Aug-2021: Additional follow up information included: Patient details updated, Medically confirm, Events (severe fatigue/feels exhaustion, weakness, dizziness, muscle ache, cannot work/struggles to function throughout the day and struggles to lift her limbs) outcome updated to not recovered/resolved, action taken updated, iNarrative information updated with physician visit information.