achy; arm hurt, a little bit of sore arm; fever, Low grade fever; little chills; fatigue; inflammatory condition; This spontaneous case was reported by a patient and describes the occurrence of PAIN (achy), PAIN IN EXTREMITY (arm hurt, a little bit of sore arm), INFLAMMATION (inflammatory condition), PYREXIA (fever, Low grade fever) and CHILLS (little chills) in a 71-year-old male patient who received mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (batch no. 016H22A) for COVID-19 prophylaxis. The occurrence of additional non-serious events is detailed below.     It was reported that patient did not receive any other vaccines in the 4 weeks prior to COVID-19 vaccine.  Previously administered products included for Product used for unknown indication: Pfizer vaccine (Dose 1), Pfizer vaccine (Dose 4), Pfizer vaccine (Dose 3) and Pfizer vaccine (Dose 2). Past adverse reactions to the above products included Pain in arm with Pfizer vaccine, Pfizer vaccine, Pfizer vaccine and Pfizer vaccine. Concurrent medical conditions included Hypertension (controlled with meds).    On 09-May-2023, the patient received sixth dose of mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (Intramuscular) 1 dosage form. On 09-May-2023, the patient experienced PAIN (achy), PAIN IN EXTREMITY (arm hurt, a little bit of sore arm), PYREXIA (fever, Low grade fever) and CHILLS (little chills). In May 2023, the patient experienced INFLAMMATION (inflammatory condition) and FATIGUE (fatigue). In May 2023, PAIN (achy), PAIN IN EXTREMITY (arm hurt, a little bit of sore arm) and CHILLS (little chills) had resolved. At the time of the report, INFLAMMATION (inflammatory condition) and FATIGUE (fatigue) outcome was unknown and PYREXIA (fever, Low grade fever) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): In May 2023, Body temperature: has fever which is a little less high than it used to be. On 19-May-2023, C-reactive protein: elevated. On 19-May-2023, Eosinophil count: elevated. On 19-May-2023, Red blood cell sedimentation rate: elevated.     For mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (Intramuscular), the reporter did not provide any causality assessments.   Patient was taking medicine for hypertension. It was reported that patient had last dose of Moderna. It was also reported that after a day or two almost all of the event recovered except for a low grade fever and patient still had fever which was little less that it used to be and already consulted with the doctor. Patient further reported that even after two weeks of the booster vaccination, patient still had daily fevers and non-significant fatigue as well. As per the lab data results, patient believed that it was an inflammatory condition. Patient was going to see a primary case doctor in order to determine what was wrong with him.  Treatment medications were not provided.   This case was linked to US-MODERNATX, INC.-MOD-2023-725147 (E2B Linked Report).   Most recent FOLLOW-UP information incorporated above includes: On 23-May-2023: Follow-up received, updated lab data information, added new events and updated I narrative. On 24-May-2023: Non significant follow up