skin infection / skin infection was mostly in the groin area but had spread everywhere; had a skin infection all over the body prior to receiving the booster, which got worse; had a skin infection all over the body prior to receiving the booster, which got worse in the left arm where had received the injection; Arm turned bright red after receiving the booster shot; rash is very itchy; Got COVID in MAY2022; still has rashes in arm which bothers the patient; This spontaneous case was reported by a patient and describes the occurrence of SKIN INFECTION (skin infection / skin infection was mostly in the groin area but had spread everywhere), CONDITION AGGRAVATED (had a skin infection all over the body prior to receiving the booster, which got worse), VACCINATION SITE INFECTION (had a skin infection all over the body prior to receiving the booster, which got worse in the left arm where had received the injection), COVID-19 (Got COVID in MAY2022) and RASH (still has rashes in arm which bothers the patient) in a 77-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. ASKU) for COVID-19 prophylaxis. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   In February 2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. In March 2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 23-Nov-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 23-Nov-2021,  after starting mRNA-1273 (Moderna COVID-19 Vaccine), the patient experienced RASH (still has rashes in arm which bothers the patient). In May 2022, the patient experienced COVID-19 (Got COVID in MAY2022). On an unknown date, the patient experienced SKIN INFECTION (skin infection / skin infection was mostly in the groin area but had spread everywhere), CONDITION AGGRAVATED (had a skin infection all over the body prior to receiving the booster, which got worse), VACCINATION SITE INFECTION (had a skin infection all over the body prior to receiving the booster, which got worse in the left arm where had received the injection), VACCINATION SITE ERYTHEMA (Arm turned bright red after receiving the booster shot) and RASH PRURITIC (rash is very itchy). The patient was treated with GENTAMICIN for Rash, at an unspecified dose and frequency and TRIAMCINOLONE for Rash, at an unspecified dose and frequency. At the time of the report, SKIN INFECTION (skin infection / skin infection was mostly in the groin area but had spread everywhere) and RASH (still has rashes in arm which bothers the patient) had not resolved and CONDITION AGGRAVATED (had a skin infection all over the body prior to receiving the booster, which got worse), VACCINATION SITE INFECTION (had a skin infection all over the body prior to receiving the booster, which got worse in the left arm where had received the injection), COVID-19 (Got COVID in MAY2022), VACCINATION SITE ERYTHEMA (Arm turned bright red after receiving the booster shot) and RASH PRURITIC (rash is very itchy) outcome was unknown.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   Concomitant product information was not provided by the reporter.   Patient was thinking about getting the next booster. However, patient had a reaction to the last booster which patient received.  It was unknown if patient received any other vaccines in the 4 weeks prior to COVID-19 vaccine.  Patient has been prescribed with betamethasone for the rash. Additionally, stated that patient was on antibiotics for almost a year for the skin infection patient was experiencing. Patient did not have the vaccination records available at this time.