She is very nervous; Started having left sore arm; Started to Feel tingling sensation of her whole left arm down to fingers, sensation spread to hip and left foot, left butt cheek started to tingle, her left face started to tingle.; Started to feel numbness sensation of her whole left arm down to fingers, sensation spread to hip and left foot, her left butt cheek started to go numb and her left face started to go numb.; Brain fog; Butt cheek started to hurt; it started falling a sleep; This spontaneous case was reported by a consumer and describes the occurrence of HEMIPARAESTHESIA (Started to Feel tingling sensation of her whole left arm down to fingers, sensation spread to hip and left foot, left butt cheek started to tingle, her left face started to tingle.) in a 50-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 003B21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included No adverse reaction (no reported medical history).    On 24-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 24-Mar-2021, the patient experienced HEMIPARAESTHESIA (Started to Feel tingling sensation of her whole left arm down to fingers, sensation spread to hip and left foot, left butt cheek started to tingle, her left face started to tingle.) (seriousness criterion medically significant), HEMIANAESTHESIA (Started to feel numbness sensation of her whole left arm down to fingers, sensation spread to hip and left foot, her left butt cheek started to go numb and her left face started to go numb.), FEELING ABNORMAL (Brain fog), MUSCULOSKELETAL PAIN (Butt cheek started to hurt) and SOMNOLENCE (it started falling a sleep). On 25-Mar-2021, the patient experienced VACCINATION SITE PAIN (Started having left sore arm). On an unknown date, the patient experienced NERVOUSNESS (She is very nervous). On 24-Mar-2021, FEELING ABNORMAL (Brain fog) had resolved, SOMNOLENCE (it started falling a sleep) outcome was unknown. At the time of the report, HEMIPARAESTHESIA (Started to Feel tingling sensation of her whole left arm down to fingers, sensation spread to hip and left foot, left butt cheek started to tingle, her left face started to tingle.), NERVOUSNESS (She is very nervous) and MUSCULOSKELETAL PAIN (Butt cheek started to hurt) had not resolved and HEMIANAESTHESIA (Started to feel numbness sensation of her whole left arm down to fingers, sensation spread to hip and left foot, her left butt cheek started to go numb and her left face started to go numb.) and VACCINATION SITE PAIN (Started having left sore arm) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       Relevant text; On 24 Mar 2021, post receiving their first dose of vaccine, the patient immediately started having tingling and numbness sensation on their whole left arm down to fingers which then started spreading to left hip and left foot. According to them, it started falling asleep. The patient's left butt cheek also started to tingle, hurt, and go numb. The patient stayed in pharmacy for 15 minutes for observation and tried to walk and stretch. The patient was allowed to go and while driving back home, the patient felt a brain fog. After reaching home, the patient experienced their left face tingling and numb. The patient called and reported the side effects to the Pharmacist.  On 25 Mar 2021, the patient experienced soreness in their left arm.  At the time of report the patient still had their left face, left whole arm, left hip, and left leg tingling, and felt numbness but comparatively lesser than before. However, their butt cheek was still hurting and felt like they had injection on that area. The patient was very nervous about the side effects.  Concomitant medication use was not reported.  Treatment medication for the event included Advil.  Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.; Sender's Comments: Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.