Feels like she injured it, like a sprain; Sometimes has no strength in her left shoulder; when she coughs, it sometimes hurts her stomach and chest; Cough; Hurts in the area the injection was administered; Arm sore for 5 months; Viral pneumonia/ was very sick; was very sick; Arm aching and sore; This spontaneous case was reported by a consumer and describes the occurrence of PNEUMONIA VIRAL (Viral pneumonia/ was very sick) in an 80-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Automobile accident and Fractured sternum. Concurrent medical conditions included Chest pain (non-cardiac). Concomitant products included DULOXETINE and CLONAZEPAM for an unknown indication.   On 25-Feb-2021, the patient received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On an unknown date, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. In February 2021, the patient experienced PAIN IN EXTREMITY (Arm aching and sore). On an unknown date, the patient experienced PNEUMONIA VIRAL (Viral pneumonia/ was very sick) (seriousness criterion medically significant), ILLNESS (was very sick), LIGAMENT SPRAIN (Feels like she injured it, like a sprain), MUSCULAR WEAKNESS (Sometimes has no strength in her left shoulder), ABDOMINAL PAIN UPPER (when she coughs, it sometimes hurts her stomach and chest), COUGH (Cough), INJECTION SITE PAIN (Hurts in the area the injection was administered) and MYALGIA (Arm sore for 5 months). The patient was treated with AMOXICILLIN for Viral pneumonia, at an unspecified dose and frequency. At the time of the report, PNEUMONIA VIRAL (Viral pneumonia/ was very sick), ILLNESS (was very sick), MUSCULAR WEAKNESS (Sometimes has no strength in her left shoulder), ABDOMINAL PAIN UPPER (when she coughs, it sometimes hurts her stomach and chest), COUGH (Cough), INJECTION SITE PAIN (Hurts in the area the injection was administered) and MYALGIA (Arm sore for 5 months) outcome was unknown and PAIN IN EXTREMITY (Arm aching and sore) and LIGAMENT SPRAIN (Feels like she injured it, like a sprain) had not resolved.            After receiving her second dose of the vaccine on 25 Feb 2021, the patient's arm had been aching and sore for about 5 months at the time of report. She was not doing anything that would make the aching worse. The aching was continuous and not going away. It hurt in the area where the injection was administered. It felt like she injured it, like a sprain. She sometime had no strength in her left shoulder.  The vaccine was administered in her left arm, which is her non dominant arm.  The patient was exposed to her daughter, who had a bad cold, which turned into viral pneumonia. She was quarantined and took amoxicillin, but she still had a cough from it at the time of this report.    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. However, the medical history/ occurrence of Automobile accident and Fractured sternum could be a contributory factor. Treatment included amoxicillin for viral pneumonia.; 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. However, the medical history/ occurrence of Automobile accident and Fractured sternum could be a contributory factor.