tightness in my lungs; lung pain; throbbing & burning in my right leg; CT scan showed inflammation in my right lung.; I began having trouble breathing/ shortness of breath; Chest pain; feeling burning & throbbing at the injection site; throbbing pains all over my body; This spontaneous case was reported by a consumer and describes the occurrence of PNEUMONITIS (CT scan showed inflammation in my right lung.) in a 43-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 002C21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 21-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 22-Apr-2021, the patient experienced VACCINATION SITE PAIN (feeling burning & throbbing at the injection site) and MYALGIA (throbbing pains all over my body). On 04-Sep-2021, the patient experienced PNEUMONITIS (CT scan showed inflammation in my right lung.) (seriousness criterion medically significant), DYSPNOEA (I began having trouble breathing/ shortness of breath) and CHEST PAIN (Chest pain). On an unknown date, the patient experienced CHEST DISCOMFORT (tightness in my lungs), PULMONARY PAIN (lung pain) and PAIN IN EXTREMITY (throbbing & burning in my right leg). At the time of the report, PNEUMONITIS (CT scan showed inflammation in my right lung.), DYSPNOEA (I began having trouble breathing/ shortness of breath), CHEST PAIN (Chest pain), CHEST DISCOMFORT (tightness in my lungs), PULMONARY PAIN (lung pain) and PAIN IN EXTREMITY (throbbing & burning in my right leg) outcome was unknown and VACCINATION SITE PAIN (feeling burning & throbbing at the injection site) and MYALGIA (throbbing pains all over my body) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 25-May-2021, Chest X-ray: normal (normal) They didn't see anything. On 04-Sep-2021, Chest X-ray: normal (normal) didn't see anything. On 04-Sep-2021, Computerised tomogram: abnormal (abnormal) The CT scan showed inflammation in my right lung.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   No concomitant information was reported. Patient states on 04May2021: "I went to see my PCP.  He said the it just needs to run through my lymphatic system, & that I was having a reaction to the vaccine."  Admits she was seeing a Chiropractor, weekly, where they would "rub my left arm & right leg."  This case concerns a 43 year-old, female patient with no relevant medical history, who experienced the unexpected event of pneumonitis. The event occurred approximately 4 months after the first dose of Moderna COVID-19 vaccine. The rechallenge was not applicable since only information about the first dose was disclosed. The benefit-risk relationship of Moderna COVID-19 vaccine is not affected by this report. Further information has been requested.; Sender's Comments: This case concerns a 43 year-old, female patient with no relevant medical history, who experienced the unexpected event of pneumonitis. The event occurred approximately 4 months after the first dose of Moderna COVID-19 vaccine. The rechallenge was not applicable since only information about the first dose was disclosed. The benefit-risk relationship of Moderna COVID-19 vaccine is not affected by this report. Further information has been requested.