Allergic reaction; Difficulty breathing; like she was suffocating; Severe numbness and tingle in her hands from fingertips to her elbow; Sore arm; tingle in her hands from fingertips to her elbow; This spontaneous case was reported by a consumer and describes the occurrence of HYPERSENSITIVITY (Allergic reaction) and DYSPNOEA (Difficulty breathing) in a 36-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 030H21B) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Previously administered products included for Product used for unknown indication: Polio vaccine (When she was 2 years old and she had an adverse reaction to polio vaccine.). Past adverse reactions to the above products included Adverse reaction with Polio vaccine. Concomitant products included RIFAMPICIN (RIFAMPIN) for an unknown indication.    On 01-Dec-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 01-Dec-2021, the patient experienced HYPERSENSITIVITY (Allergic reaction) (seriousness criterion medically significant), DYSPNOEA (Difficulty breathing) (seriousness criterion medically significant), SUFFOCATION FEELING (like she was suffocating), HYPOAESTHESIA (Severe numbness and tingle in her hands from fingertips to her elbow), PAIN IN EXTREMITY (Sore arm) and PARAESTHESIA (tingle in her hands from fingertips to her elbow). The patient was treated with DIPHENHYDRAMINE HYDROCHLORIDE (BENADRYL [DIPHENHYDRAMINE HYDROCHLORIDE]) for Adverse event, at an unspecified dose and frequency. On 01-Dec-2021, HYPERSENSITIVITY (Allergic reaction), DYSPNOEA (Difficulty breathing), SUFFOCATION FEELING (like she was suffocating), HYPOAESTHESIA (Severe numbness and tingle in her hands from fingertips to her elbow), PAIN IN EXTREMITY (Sore arm) and PARAESTHESIA (tingle in her hands from fingertips to her elbow) had resolved.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       Patient called to report she had an allergic reaction after receiving the first dose. She stated 2 minutes after the shot she had severe numbness and tingle in her hands from fingertips to her elbow. She had difficulty breathing felt like she could not take a full breath. Like she could not get enough air. Like she was suffocating. She also had sore arm. All this happen within the 15 minutes of receiving the first dose. The patient is 8 weeks postpartum, but she is not breastfeeding.Patient stated that she never diagnosed with myocarditis or pericarditis. The symptoms were resolve about 25 minutes after the shot. Patient stated she experienced symptoms like this before receiving the Moderna COVID-19 vaccine. When she was 2 years old, she had an adversereaction to polio vaccine. Patient was not hospitalized after receiving the first dose  Company comment: This case concerns a 36-year-old, female patient with no medical history, who experienced the unexpected events of dyspnoea and hypersensitivity along with other non serious events including suffocation feeling, pain in extremity, hypoesthesia and paresthesia. As reported, the patient had an allergic reaction after receiving the first dose of mRNA-1273. Two minutes after the shot she had severe numbness and tingle in her hands from fingertips to her elbow, had difficulty breathing felt like she could not take a full breath or get enough air, like she was suffocating, as reported. Patient also had sore arm. All this happen within the 15 minutes of receiving the first dose. The patient was 8 weeks postpartum, but she is not breastfeeding. The symptoms were resolved about 25 minutes after the shot. Patient stated she experienced symptoms like this before receiving the Moderna COVID-19 vaccine. When she was 2 years old, she had an adverse reaction to polio vaccine. Patient was not hospitalized after receiving the first dose. The benefit-risk relationship of mRNA-1273 is not affected by this report.; Sender's Comments: This case concerns a 36-year-old, female patient with no medical history, who experienced the unexpected events of dyspnoea and hypersensitivity along with other non serious events including suffocation feeling, pain in extremity, hypoesthesia and paresthesia. As reported, the patient had an allergic reaction after receiving the first dose of mRNA-1273. Two minutes after the shot she had severe numbness and tingle in her hands from fingertips to her elbow, had difficulty breathing felt like she could not take a full breath or get enough air, like she was suffocating, as reported. Patient also had sore arm. All this happen within the 15 minutes of receiving the first dose. The patient was 8 weeks postpartum, but she is not breastfeeding. The symptoms were resolved about 25 minutes after the shot. Patient stated she experienced symptoms like this before receiving the Moderna COVID-19 vaccine. When she was 2 years old, she had an adverse reaction to polio vaccine. Patient was not hospitalized after receiving the first dose. The benefit-risk relationship of mRNA-1273 is not affected by this report.