It feels like polio; Has pains from the hips all the way down to her feet.; Her knees are so swollen,knees look like horse knuckles/Hip sockets are swollen/Ankles are swollen; She has cramps in her Achilles tendon; It is hard to get up and walk.; It is hard to sleep at night.; It is hard to eat anything.; Used to weigh 150lbs and now she weighs 132lbs; It feels like someone strapped her to the barrel when she was born; Shoulder is a little sore; 4 hours later she was vomiting so bad./4 hours later she was barfing so bad.; This spontaneous case was reported by a consumer and describes the occurrence of POLIOMYELITIS (It feels like polio) in a 58-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included COVID-19 (Pt had COVID-19 but recovered BEFORE the shot.). Concurrent medical conditions included Visual impairment.    On 06-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 06-Jan-2021, the patient experienced POLIOMYELITIS (It feels like polio) (seriousness criterion medically significant), PAIN IN EXTREMITY (Has pains from the hips all the way down to her feet.), JOINT SWELLING (Her knees are so swollen,knees look like horse knuckles/Hip sockets are swollen/Ankles are swollen), TENDON PAIN (She has cramps in her Achilles tendon), GAIT DISTURBANCE (It is hard to get up and walk.), INSOMNIA (It is hard to sleep at night.), DYSPHAGIA (It is hard to eat anything.), WEIGHT DECREASED (Used to weigh 150lbs and now she weighs 132lbs), FEELING ABNORMAL (It feels like someone strapped her to the barrel when she was born), ARTHRALGIA (Shoulder is a little sore) and VOMITING (4 hours later she was vomiting so bad./4 hours later she was barfing so bad.). The patient was treated with IBUPROFEN on 06-Jan-2021 at an unspecified dose and frequency; DIPHENHYDRAMINE HYDROCHLORIDE (BENADRYL [DIPHENHYDRAMINE HYDROCHLORIDE]) on 06-Jan-2021 at an unspecified dose and frequency and PSEUDOEPHEDRINE HYDROCHLORIDE (SUDAFED [PSEUDOEPHEDRINE HYDROCHLORIDE]) at an unspecified dose and frequency. At the time of the report, POLIOMYELITIS (It feels like polio), PAIN IN EXTREMITY (Has pains from the hips all the way down to her feet.), JOINT SWELLING (Her knees are so swollen,knees look like horse knuckles/Hip sockets are swollen/Ankles are swollen), TENDON PAIN (She has cramps in her Achilles tendon), GAIT DISTURBANCE (It is hard to get up and walk.), INSOMNIA (It is hard to sleep at night.), DYSPHAGIA (It is hard to eat anything.), WEIGHT DECREASED (Used to weigh 150lbs and now she weighs 132lbs), FEELING ABNORMAL (It feels like someone strapped her to the barrel when she was born), ARTHRALGIA (Shoulder is a little sore) and VOMITING (4 hours later she was vomiting so bad./4 hours later she was barfing so bad.) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       Patient stated that she feels like polio and also mentioned that she feels like someone strapped her to the barrel when she was born.  Concomitant medication was not provided. Patient took Sudafed for stuffiness.  Company comment: This case concerns a 58-year-old female patient with the history of COVID-19 who experienced the occurrence of serious unexpected POLIOMYELITIS on the same day after the first dose of mRNA-1273. Additional non-serious events that may be considered as symptoms were also reported. The patient was treated with IBUPROFEN, DIPHENHYDRAMINE and  PSEUDOEPHEDRINE, and outcome is unknown. The benefit-risk relationship of the mRNA-1273 vaccine is not affected by this report.; Sender's Comments: This case concerns a 58-year-old female patient with the history of COVID-19 who experienced the occurrence of serious unexpected POLIOMYELITIS on the same day after the first dose of mRNA-1273. Additional non-serious events that may be considered as symptoms were also reported. The patient was treated with IBUPROFEN, DIPHENHYDRAMINE and  PSEUDOEPHEDRINE, and outcome is unknown. The benefit-risk relationship of the mRNA-1273 vaccine is not affected by this report.