body stiffness; feeling weird down my legs; stiffness down to my pelvic area and thighs, pelvic tightness; bladder discomfort; Bowel discomfort; This spontaneous case was reported by a consumer and describes the occurrence of MUSCULOSKELETAL STIFFNESS (body stiffness), FEELING ABNORMAL (feeling weird down my legs), JOINT STIFFNESS (stiffness down to my pelvic area and thighs, pelvic tightness), BLADDER DISCOMFORT (bladder discomfort) and ABDOMINAL DISCOMFORT (Bowel discomfort) in a 78-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 011J20A and 047576) for COVID-19 vaccination.     The patient's past medical history included Laminectomy spinal (Spinal Surgery). Concurrent medical conditions included Drug allergy (codeine), Drug allergy (pain pills), Asthma since 06-Jun-1975, Lupus erythematosus (skin lupus) since 07-Feb-1989 and Uterine prolapse. Concomitant products included MONTELUKAST SODIUM (SINGULAIR) from 10-Jul-1991 to an unknown date for Asthma, SENNA SPP. (SENNA TABS) from 20-Jan-2020 to an unknown date for Constipation, ESCITALOPRAM OXALATE (LEXAPRO) for Depression, MELATONIN from 20-Jan-2020 to an unknown date for Sleep disorder, LEVOTHYROXINE from 08-Mar-1980 to an unknown date for Thyroid disorder.   On 17-Jan-2021 at 11:00 AM, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 17-Feb-2021 at 1:00 AM, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 18-Jan-2021, the patient experienced MUSCULOSKELETAL STIFFNESS (body stiffness) (seriousness criterion hospitalization), FEELING ABNORMAL (feeling weird down my legs) (seriousness criterion hospitalization), JOINT STIFFNESS (stiffness down to my pelvic area and thighs, pelvic tightness) (seriousness criterion hospitalization), BLADDER DISCOMFORT (bladder discomfort) (seriousness criterion hospitalization) and ABDOMINAL DISCOMFORT (Bowel discomfort) (seriousness criterion hospitalization). The patient was hospitalized on sometime in 2021 due to ABDOMINAL DISCOMFORT, BLADDER DISCOMFORT, FEELING ABNORMAL, JOINT STIFFNESS and MUSCULOSKELETAL STIFFNESS. At the time of the report, MUSCULOSKELETAL STIFFNESS (body stiffness), FEELING ABNORMAL (feeling weird down my legs), JOINT STIFFNESS (stiffness down to my pelvic area and thighs, pelvic tightness), BLADDER DISCOMFORT (bladder discomfort) and ABDOMINAL DISCOMFORT (Bowel discomfort) had not resolved. Not Provided          It was stated that the patient had gone through all tests, but the  results were negative and also stated that patient had undergone spinal surgery one and half year ago and the recall tests confirmed that nothing is coming out of spine. No treatment medications were reported.  Company comment: very limited information regarding the events has been provided at this time, and a causal relationship cannot be excluded. Further information has been requested.   This case was linked to MOD-2021-037129 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 09-Aug-2021: Reporter details were updated.; Sender's Comments: very limited information regarding the events has been provided at this time, and a causal relationship cannot be excluded. Further information has been requested.