Pleurisy (inflammation of the chest); Really sick; Body aches; Coldness- like chills; High fever; Headache; Intentional dose omission; This spontaneous case was reported by a consumer and describes the occurrence of PLEURISY (Pleurisy (inflammation of the chest)) in a 44-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 013A21A and 010M20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 29-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 26-Feb-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On an unknown date, the patient experienced PLEURISY (Pleurisy (inflammation of the chest)) (seriousness criterion hospitalization), ILLNESS (Really sick), MYALGIA (Body aches), CHILLS (Coldness- like chills), PYREXIA (High fever), HEADACHE (Headache) and INTENTIONAL DOSE OMISSION (Intentional dose omission). At the time of the report, PLEURISY (Pleurisy (inflammation of the chest)), ILLNESS (Really sick), MYALGIA (Body aches), CHILLS (Coldness- like chills), PYREXIA (High fever), HEADACHE (Headache) and INTENTIONAL DOSE OMISSION (Intentional dose omission) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Electrocardiogram: pleurisy (abnormal) diagnosed with Pleurisy (inflammation of the chest).         After Moderna 2 dose patient went to the hospital for chest pain and shortness of breath. At the hospital they did EKG, diagnosed with Pleurisy (inflammation of the chest) but she was discharged the same day she went to the hospital. After few weeks she went to cardiologist to get check and everything was fine, and her doctor recommend that she should not get the booster. No concomitant product was provided.  No treatment information was provided.  Company comment: This is a Spontaneous case concerning a 44-year-old, female patient with unknown medical history,  who experienced the unexpected serious (hospitalization) event of Pleurisy. The event occurred after the second dose of mRNA 1273 vaccine with unknown exact time to onset. Patient was admitted because of dyspnea and chest pain and was diagnosed with Pleurisy after an EKG was performed.  The rechallenge is not applicable since the patient refers she will not receive the booster dose by physician´s recommendation. The benefit-risk relationship of mRNA 1273 vaccine is not affected by this report.   This case was linked to MOD-2021-395828 (Patient Link).; Sender's Comments: This is a Spontaneous case concerning a 44-year-old, female patient with unknown medical history,  who experienced the unexpected serious (hospitalization) event of Pleurisy. The event occurred after the second dose of mRNA 1273 vaccine with unknown exact time to onset. Patient was admitted because of dyspnea and chest pain and was diagnosed with Pleurisy after an EKG was performed.  The rechallenge is not applicable since the patient refers she will not receive the booster dose by physician´s recommendation. The benefit-risk relationship of mRNA 1273 vaccine is not affected by this report.