She felt it as bell's palsy; Early this morning, she noticed that her left side of her face was dripping/ She reports that when she smiles, her left side doesn't move properly; Next day, she noticed that her neck was little swollen; This spontaneous case was reported by a consumer and describes the occurrence of FACIAL PARALYSIS (Early this morning, she noticed that her left side of her face was dripping/ She reports that when she smiles, her left side doesn't move properly) and BELL'S PALSY (She felt it as bell's palsy) in a 37-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 046C21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No medical history was provided by the reporter.  Concomitant products included ALPRAZOLAM (XANAX) and ESTRADIOL (ESTROGEN) for an unknown indication.    On 29-Sep-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) .5 milliliter. On 30-Sep-2021, the patient experienced SWELLING (Next day, she noticed that her neck was little swollen). On 01-Oct-2021, the patient experienced FACIAL PARALYSIS (Early this morning, she noticed that her left side of her face was dripping/ She reports that when she smiles, her left side doesn't move properly) (seriousness criterion medically significant). On an unknown date, the patient experienced BELL'S PALSY (She felt it as bell's palsy) (seriousness criterion medically significant). The patient was treated with PARACETAMOL (TYLENOL) at an unspecified dose and frequency. At the time of the report, FACIAL PARALYSIS (Early this morning, she noticed that her left side of her face was dripping/ She reports that when she smiles, her left side doesn't move properly), BELL'S PALSY (She felt it as bell's palsy) and SWELLING (Next day, she noticed that her neck was little swollen) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   Company comment: This case concerns a 37year-old, female patient with no relevant medical history, who experienced the expected events of Facial paralysis and Bell's palsy, and the unexpected event of Swelling. The event Swelling and Facial paralysis occurred 1-2 days after first dose of mRNA-1273 (Moderna COVID-19 Vaccine). On an unknown date Bell's Palsy occurred.The rechallenge was unknown as the events occurred after the first dose and no information about second dose is available. The benefit-risk relationship of Spikevax is not affected by this report.; Sender's Comments: This case concerns a 37year-old, female patient with no relevant medical history, who experienced the expected events of Facial paralysis and Bell's palsy, and the unexpected event of Swelling. The event Swelling and Facial paralysis occurred 1-2 days after first dose of mRNA-1273 (Moderna COVID-19 Vaccine). On an unknown date Bell's Palsy occurred.The rechallenge was unknown as the events occurred after the first dose and no information about second dose is available. The benefit-risk relationship of Spikevax is not affected by this report.