COVID-19; stomach issues/miss comfort/could not stand up straight/ stomach had never been the same/ did not pass gas and burp like normal/ stomach had abs but now he was bulge/ everything he ate blows up/ painful stomach; This spontaneous case was reported by a patient and describes the occurrence of GASTRIC DISORDER (stomach issues/miss comfort/could not stand up straight/ stomach had never been the same/ did not pass gas and burp like normal/ stomach had abs but now he was bulge/ everything he ate blows up/ painful stomach) and COVID-19 (COVID-19) in a 52-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 048F21A and 048C21A) for COVID-19 vaccination.     Concurrent medical conditions included Allergic reaction to analgesics (Norco).   On 23-Aug-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 20-Sep-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 21-Sep-2021,  after starting mRNA-1273 (Moderna COVID-19 Vaccine), the patient experienced GASTRIC DISORDER (stomach issues/miss comfort/could not stand up straight/ stomach had never been the same/ did not pass gas and burp like normal/ stomach had abs but now he was bulge/ everything he ate blows up/ painful stomach). On an unknown date, the patient experienced COVID-19 (COVID-19). The patient was treated with OMEPRAZOLE, SODIUM BICARBONATE (ZEGERID OTC) at an unspecified dose and frequency. At the time of the report, GASTRIC DISORDER (stomach issues/miss comfort/could not stand up straight/ stomach had never been the same/ did not pass gas and burp like normal/ stomach had abs but now he was bulge/ everything he ate blows up/ painful stomach) had resolved with sequelae and COVID-19 (COVID-19) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, SARS-CoV-2 test: (Positive) After being vaccinated with primary series but before Mar2022.         Patient not had any concomitant medication and for AE and both Acute and Chronic illnesses. He not received other vaccines within 1 month prior to Moderna COVID-19 vaccine. He received his vaccines in his deltoid muscle. He experienced issues with his stomach, miss comfort, could not even stand up straight, his stomach had never been the same, did not pass gas and burp like normal, his stomach had abs but now he was bulge, everything he ate he blows up, had painful stomach, stomach really weird, Bloating and without medication he not had any relieve. It was reported that patient had COVID-19, after being vaccinated with primary series but before Mar-2022. It was reported that physician advised to patient that drink some fluids and he recovered 4 days after but his stomach has not being the same  Company comment- This spontaneous case concerns a 52-year-old male patient with no relevant medical history, who experienced unexpected, non-serious AESI Covid-19 which occurred at an unknown date with regards to the mRNA-1273 vaccinations. The interval between the first and second doses of mRNA was noted to be 28 days. The outcome of the event was reported as unknown. The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.; Sender's Comments: This spontaneous case concerns a 52-year-old male patient with no relevant medical history, who experienced unexpected, non-serious AESI Covid-19 which occurred at an unknown date with regards to the mRNA-1273 vaccinations. The interval between the first and second doses of mRNA was noted to be 28 days. The outcome of the event was reported as unknown. The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.