threw up twice; nausea; exhausted; shortness of breath/trouble breathing; discomfort; ill/sick; not getting enough sleep; headache; This spontaneous case was reported by a patient and describes the occurrence of ILLNESS (ill/sick), DYSPNOEA (shortness of breath/trouble breathing), DISCOMFORT (discomfort), HYPOSOMNIA (not getting enough sleep) and VOMITING (threw up twice) in a 79-year-old female patient who received mRNA-1273.815 (SPIKEVAX 2023-2024 PFS) (batch no. 3031278) for COVID-19 prophylaxis. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Spinal stenosis (spinal stenosis in the back started off taking Lyrica and then they gave injections and it went away.). Previously administered products included for Product used for unknown indication: flu on 13OCt2023 on 13-Oct-2023. Past adverse reactions to the above products included No adverse event with flu on 13OCt2023. Concurrent medical conditions included Hypertension. Concomitant products included PREGABALIN (LYRICA) for Spinal stenosis.    On 05-Oct-2023, the patient received sixth dose of mRNA-1273.815 (SPIKEVAX 2023-2024 PFS) (unknown route) 1 dosage form. On 05-Oct-2023,  after starting mRNA-1273.815 (SPIKEVAX 2023-2024 PFS), the patient experienced ILLNESS (ill/sick). On 11-Oct-2023, the patient experienced DISCOMFORT (discomfort). On an unknown date, the patient experienced DYSPNOEA (shortness of breath/trouble breathing), HYPOSOMNIA (not getting enough sleep), VOMITING (threw up twice), NAUSEA (nausea), FATIGUE (exhausted) and HEADACHE (headache). At the time of the report, ILLNESS (ill/sick), DYSPNOEA (shortness of breath/trouble breathing), DISCOMFORT (discomfort), NAUSEA (nausea) and FATIGUE (exhausted) was resolving, HYPOSOMNIA (not getting enough sleep) and HEADACHE (headache) had resolved and VOMITING (threw up twice) outcome was unknown.            The patient had received other vaccines in the 4 weeks prior to COVID-19 vaccine. The dosage text was reported as unknown. The patient takes a couple of medications. Something for her blood pressure. The patient had no known allergies. It was reported that the patient and her husband took their 6th Moderna vaccine on 05-Oct-2023 at noon. By 3 or 4 o'clock the patient was feeling quite ill and thought would be in bed for a day or two, it didn't go away. Yesterday the patient felt much better and today feels good but still lingering affects. The patient couldn't get out of bed the first 3 days. The patient experienced headache, nausea, threw up twice and no fever. The patient felt wiped out, felt like having trouble breathing. The patient had shortness of breath and it would come and go. By Monday the patient started to feel better but was still pretty ill. Everyday after that the patient got a little bit better.  On Wednesday the patient was fine to drive and never passed out, but discomfort. The headache went away in about 3 days. Finally got 8 hours of sleep on the 4th night. The patient was not getting enough sleep, but was exhausted, they would sleep a couple of hours and wake up in pieces. On 13-Oct-2023 they were feeling very good but feeling a little shortness of breath kind of feeling, but much better. No treatment medication was reported.   This case was linked to US-MODERNATX, INC.-MOD-2023-745591, US-MODERNATX, INC.-MOD-2023-745617 (E2B Linked Report). This case was linked to US-MODERNATX, INC.-MOD-2023-745612 (Patient Link).; Sender's Comments:  US-MODERNATX, INC.-MOD-2023-745591:Husband's case, 6th dose US-MODERNATX, INC.-MOD-2023-745617:Husband's case, 5th injection