Patient received the first dose but is planning to receive the second dose of the vaccine , but more than 42 days after the first dose (Is receiving the second dose tomorrow 23rd , 2021); Patient experienced pain in the lower rib , joint and body pains; Patient experienced pain in the lower rib , joint and body pains; Patient experienced difficulty breathing; Patient experienced enhanced previous respiratory issues that was having before receiving the vaccine; Patient experienced pain in the lower rib , joint and body pains; This spontaneous case was reported by a consumer and describes the occurrence of DYSPNOEA (Patient experienced difficulty breathing), CONDITION AGGRAVATED (Patient experienced enhanced previous respiratory issues that was having before receiving the vaccine), MUSCULOSKELETAL CHEST PAIN (Patient experienced pain in the lower rib , joint and body pains), INTENTIONAL PRODUCT USE ISSUE (Patient received the first dose but is planning to receive the second dose of the vaccine , but more than 42 days after the first dose (Is receiving the second dose tomorrow 23rd , 2021)) and MYALGIA (Patient experienced pain in the lower rib , joint and body pains) in an 84-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 007A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Respiratory disorder NOS.    On 27-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. In March 2021, the patient experienced DYSPNOEA (Patient experienced difficulty breathing), CONDITION AGGRAVATED (Patient experienced enhanced previous respiratory issues that was having before receiving the vaccine), MUSCULOSKELETAL CHEST PAIN (Patient experienced pain in the lower rib , joint and body pains), MYALGIA (Patient experienced pain in the lower rib , joint and body pains) and ARTHRALGIA (Patient experienced pain in the lower rib , joint and body pains). On 22-Apr-2021, the patient experienced INTENTIONAL PRODUCT USE ISSUE (Patient received the first dose but is planning to receive the second dose of the vaccine , but more than 42 days after the first dose (Is receiving the second dose tomorrow 23rd , 2021)). On 22-Apr-2021, INTENTIONAL PRODUCT USE ISSUE (Patient received the first dose but is planning to receive the second dose of the vaccine , but more than 42 days after the first dose (Is receiving the second dose tomorrow 23rd , 2021)) had resolved. At the time of the report, DYSPNOEA (Patient experienced difficulty breathing), CONDITION AGGRAVATED (Patient experienced enhanced previous respiratory issues that was having before receiving the vaccine), MUSCULOSKELETAL CHEST PAIN (Patient experienced pain in the lower rib , joint and body pains), MYALGIA (Patient experienced pain in the lower rib , joint and body pains) and ARTHRALGIA (Patient experienced pain in the lower rib , joint and body pains) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       The patient went to the urgent care emergency room and had an ultrasound and no results were provided.   Concomitant medications included corticoid spray twice a day for Respiratory Issues. No treatment information was provided.