she had terrific pain in her neck/couple weeks after that she had a covid booster and the pain is just unbelievable/terrible pain in neck/worst pain/the neck all the way down to her spine; Pain in her spine/couple weeks after that she had a covid booster and the pain is just unbelievable; Pain in her legs/couple weeks after that she had a covid booster and the pain is just unbelievable; can hardly walk; didn't have a problem with her legs, but her sides all the way down to legs is so terrible; headache; This spontaneous case was reported by a consumer and describes the occurrence of NECK PAIN (she had terrific pain in her neck/couple weeks after that she had a covid booster and the pain is just unbelievable/terrible pain in neck/worst pain/the neck all the way down to her spine), SPINAL PAIN (Pain in her spine/couple weeks after that she had a covid booster and the pain is just unbelievable), PAIN IN EXTREMITY (Pain in her legs/couple weeks after that she had a covid booster and the pain is just unbelievable), GAIT DISTURBANCE (can hardly walk) and PAIN (didn't have a problem with her legs, but her sides all the way down to legs is so terrible) in a female patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 032F21A, 021B21A and 010A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Neck pain (She took physical therapy for the neck problem).   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. On an unknown date, the patient experienced NECK PAIN (she had terrific pain in her neck/couple weeks after that she had a covid booster and the pain is just unbelievable/terrible pain in neck/worst pain/the neck all the way down to her spine), SPINAL PAIN (Pain in her spine/couple weeks after that she had a covid booster and the pain is just unbelievable), PAIN IN EXTREMITY (Pain in her legs/couple weeks after that she had a covid booster and the pain is just unbelievable), GAIT DISTURBANCE (can hardly walk), PAIN (didn't have a problem with her legs, but her sides all the way down to legs is so terrible) and HEADACHE (headache). The patient was treated with PARACETAMOL (TYLENOL [PARACETAMOL]) for Neck pain, at an unspecified dose and frequency and Physical therapy for Neck pain. At the time of the report, NECK PAIN (she had terrific pain in her neck/couple weeks after that she had a covid booster and the pain is just unbelievable/terrible pain in neck/worst pain/the neck all the way down to her spine), SPINAL PAIN (Pain in her spine/couple weeks after that she had a covid booster and the pain is just unbelievable), PAIN IN EXTREMITY (Pain in her legs/couple weeks after that she had a covid booster and the pain is just unbelievable), PAIN (didn't have a problem with her legs, but her sides all the way down to legs is so terrible) and HEADACHE (headache) had not resolved and GAIT DISTURBANCE (can hardly walk) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, SARS-CoV-2 test: negative (Negative) Negative.         Concomitant medication information was not reported.  The patient has reported a complaint against the product with a PC Number - 13728, for the complaint type of - product performance and complaint category - Other performance. (With no closure letter)  Company comment: This spontaneous case concerns a female with unknown age, with relevant medical history of neck pain undergoing physical therapy, who experienced  Non-serious , unexpected events of neck pain , spinal pain , pain in extremity, gait disturbance , pain and expected event of headache which occurred on an unknown date after vaccination with the 3rd dose of mRNA-1273 vaccine . Patient has been taking paracetamol and physical therapy as treatment. The re-challenge for this case is not applicable since the events has not resolved and also the events happened after the 3rd dose and no additional doses will be given. The history of neck pain is a confounder for this case. The benefit -risk relationship of mRNA -1273 ( Moderna Covid 19 Vaccine) is not affected by this report.   This case was linked to MOD-2021-395984, MOD-2021-396015 (Patient Link).   Reporter did not allow further contact   Most recent FOLLOW-UP information incorporated above includes: On 01-Dec-2021: Follow up received on 01-Dec-2021 contains no new information.; Sender's Comments: This spontaneous case concerns a female with unknown age, with relevant medical history of neck pain undergoing physical therapy, who experienced  Non-serious , unexpected events of neck pain , spinal pain , pain in extremity, gait disturbance , pain and expected event of headache which occurred on an unknown date after vaccination with the 3rd dose of mRNA-1273 vaccine . Patient has been taking paracetamol and physical therapy as treatment. The re-challenge for this case is not applicable since the events has not resolved and also the events happened after the 3rd dose and no additional doses will be given. The history of neck pain is a confounder for this case. The benefit -risk relationship of mRNA -1273 ( Moderna Covid 19 Vaccine) is not affected by this report.