I was kind of having the same trouble, but this time it felt like it was more in my nose, my sinuses.; I felt like I couldn't take a deep breath, like it was an incomplete breath.; I felt like I couldn't take a deep breath, like it was an incomplete breath.; This spontaneous case was reported by a consumer and describes the occurrence of the first episode of HYPOPNOEA (I felt like I couldn't take a deep breath, like it was an incomplete breath.), the second episode of HYPOPNOEA (I felt like I couldn't take a deep breath, like it was an incomplete breath.) and SINUS DISORDER (I was kind of having the same trouble, but this time it felt like it was more in my nose, my sinuses.) in a 26-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 041B21A and 048A21A) for COVID-19 vaccination.     No Medical History information was reported.   On 23-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 20-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 25-Apr-2021, the patient experienced the first episode of HYPOPNOEA (I felt like I couldn't take a deep breath, like it was an incomplete breath.). On 27-Apr-2021, the patient experienced the second episode of HYPOPNOEA (I felt like I couldn't take a deep breath, like it was an incomplete breath.). On 27-Sep-2021, the patient experienced SINUS DISORDER (I was kind of having the same trouble, but this time it felt like it was more in my nose, my sinuses.). The patient was treated with ALBUTEROL [SALBUTAMOL] on 27-Apr-2021 for Adverse event, at an unspecified dose and frequency. At the time of the report, last episode of HYPOPNOEA (I felt like I couldn't take a deep breath, like it was an incomplete breath.) and SINUS DISORDER (I was kind of having the same trouble, but this time it felt like it was more in my nose, my sinuses.) outcome was unknown.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   Concomitant medications was not reported.  Treatment history included Antibiotic, Steroid. Patient stated that he felt like he couldn't take a deep breath, like it was an incomplete breath. He went to see his Primary Dr. He thought it was reaction to a new medication he had started (He don't have it anymore). He was coming off of Abilify and starting something new.   This case was linked to MOD-2021-333724 (Patient Link).; Sender's Comments: This case concerns a 26 year-old male patient with no reported medical history, who experienced the unexpected non-serious events of shallow breathing x2 and sinus disorder.  The events of shallow breathing  occurred 5-7 days after the second dose of mRNA-1273 vaccine, while the event of sinus disorder occurred approximately 5 months after the second dose. The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.  The seriousness of criteria of Medically significant as reported by the patient is overridden based on medical judgement and review of source document that does not include information supporting seriousness criteria.