He replied that he has a little chest pain, it is on the right side and it is not his heart. Later he said it is more of a little muscle soreness on the right chest; He replied that he has a little chest pain, it is on the right side and it is not his heart. Later he said it is more of a little muscle soreness on the right chest; This spontaneous case was reported by a patient and describes the occurrence of CHEST PAIN (He replied that he has a little chest pain, it is on the right side and it is not his heart. Later he said it is more of a little muscle soreness on the right chest) and MYALGIA (He replied that he has a little chest pain, it is on the right side and it is not his heart. Later he said it is more of a little muscle soreness on the right chest) in a 68-year-old male patient who received mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (batch no. AS7645B) for COVID-19 prophylaxis.     Patient did not receive any other vaccines in the 4 weeks prior to COVID-19 vaccine. It was reported that patient does not have a medical history of heart issues and does not have shortness of breath.  Previously administered products included for COVID-19 prophylaxis: Moderna COVID-19 Vaccine (Dose 4), MODERNA COVID-19 VACCINE and BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5) (Dose 5); for Product used for unknown indication: PFIZER BIONTECH COVID-19 VACCINE (Dose 3), PFIZER BIONTECH COVID-19 VACCINE (Dose 2) and PFIZER BIONTECH COVID-19 VACCINE (Dose 1). Past adverse reactions to the above products included No adverse event with MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5), Moderna COVID-19 Vaccine, PFIZER BIONTECH COVID-19 VACCINE, PFIZER BIONTECH COVID-19 VACCINE and PFIZER BIONTECH COVID-19 VACCINE.    On 10-Jul-2023, the patient received sixth dose of mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (unknown route) .5 milliliter. On an unknown date, the patient experienced CHEST PAIN (He replied that he has a little chest pain, it is on the right side and it is not his heart. Later he said it is more of a little muscle soreness on the right chest) and MYALGIA (He replied that he has a little chest pain, it is on the right side and it is not his heart. Later he said it is more of a little muscle soreness on the right chest). The patient was treated with PARACETAMOL (TYLENOL) for Chest pain, at an unspecified dose and frequency. At the time of the report, CHEST PAIN (He replied that he has a little chest pain, it is on the right side and it is not his heart. Later he said it is more of a little muscle soreness on the right chest) had not resolved and MYALGIA (He replied that he has a little chest pain, it is on the right side and it is not his heart. Later he said it is more of a little muscle soreness on the right chest) outcome was unknown.        For mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (Unknown), the reporter did not provide any causality assessments.   No concomitant information was reported. Suspect product dosage text was reported as unknown. Patient stated that he would like to take a Tylenol tablet for the right chest soreness, if it interferes with the efficacy of the vaccine he will put up with the soreness. He does not recall having any other vaccines within the last 4 months.   Reporter did not allow further contact