long term side effects booster dose; Pain on her right leg from the hip to the ankle/The pain was concentrated on the calf; was not able to walk/move at all/to use a walker to move around; Pain; UTI; Fever; This spontaneous case was reported by a consumer and describes the occurrence of VACCINATION COMPLICATION (long term side effects booster dose), PAIN IN EXTREMITY (Pain on her right leg from the hip to the ankle/The pain was concentrated on the calf), GAIT INABILITY (was not able to walk/move at all/to use a walker to move around), PAIN (Pain) and URINARY TRACT INFECTION (UTI) in a 52-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 037F21A, 032M20A and 001A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 25-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 25-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 05-Nov-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. In November 2021, the patient experienced VACCINATION COMPLICATION (long term side effects booster dose), PAIN IN EXTREMITY (Pain on her right leg from the hip to the ankle/The pain was concentrated on the calf), GAIT INABILITY (was not able to walk/move at all/to use a walker to move around), PAIN (Pain), URINARY TRACT INFECTION (UTI) and PYREXIA (Fever). The patient was treated with MENTHOL (BENGAY PAIN RELIEVING) in November 2021 for Adverse event, at an unspecified dose and frequency and IBUPROFEN in November 2021 for Adverse event, at a dose of 2-3 x a day. In November 2021, PYREXIA (Fever) had resolved. At the time of the report, VACCINATION COMPLICATION (long term side effects booster dose), PAIN IN EXTREMITY (Pain on her right leg from the hip to the ankle/The pain was concentrated on the calf), GAIT INABILITY (was not able to walk/move at all/to use a walker to move around) and PAIN (Pain) had not resolved and URINARY TRACT INFECTION (UTI) outcome was unknown.            Patient took cold compress as treatment. No concomitant medication was reported by the reporter.  Patient stated that she had fever for four and a half days after getting the Moderna booster dose, and 5-6 days after the administration, she experienced pain on her right leg from the hip to the ankle which lasted for 6 days or so. Patient applied cold compress and Bengay and took Ibuprofen 2-3 x a day after that those were resolved and she was pain free for 2 days but the pain came back again.  Patient had  pain was concentrated on the calf area and it was radiating, then patient  went to the emergency room (ER) on 27Nov2021 to rule out DVT but did not seen any DVT nor broken bone and also patient kidney function was normal. And she was found to have UTI but patient mentioned that this did not had anything to do with the pain.   Most recent FOLLOW-UP information incorporated above includes: On 29-Nov-2021: Follow up received contain patient's demographic information, batch/lot no, events has been updated.Updated the reporter's Email address and last name as per Follow-up.