Fever; Chills; Headache; Extreme nausea; Walk to the bathroom to try to throw up and feel better but she ended waking up on the bathroom floor; When she wash her head and find a lump; She think either she past out and hit her head, or slip and had a concussion, and has no memory; This spontaneous case was reported by a consumer and describes the occurrence of SYNCOPE (Walk to the bathroom to try to throw up and feel better but she ended waking up on the bathroom floor), MASS (When she wash her head and find a lump), CONCUSSION (She think either she past out and hit her head, or slip and had a concussion, and has no memory), PYREXIA (Fever) and CHILLS (Chills) in a 72-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 002m21a, 011j20a, 028l20a and 004f21a) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Patient had no medical history relating to mentioned AE and both acute and chronic illnesses at the time of vaccination.  Concurrent medical conditions included Adhesive tape allergy (Adhesive types).   On 28-Dec-2020, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 25-Jan-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 27-Aug-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 31-Mar-2022, received fourth dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 01-Apr-2022, the patient experienced SYNCOPE (Walk to the bathroom to try to throw up and feel better but she ended waking up on the bathroom floor), MASS (When she wash her head and find a lump) and CONCUSSION (She think either she past out and hit her head, or slip and had a concussion, and has no memory). On 01-Apr-2022 at 3:00 AM, the patient experienced NAUSEA (Extreme nausea). On an unknown date, the patient experienced PYREXIA (Fever), CHILLS (Chills) and HEADACHE (Headache). At the time of the report, SYNCOPE (Walk to the bathroom to try to throw up and feel better but she ended waking up on the bathroom floor), MASS (When she wash her head and find a lump), CONCUSSION (She think either she past out and hit her head, or slip and had a concussion, and has no memory), PYREXIA (Fever), CHILLS (Chills), NAUSEA (Extreme nausea) and HEADACHE (Headache) was resolving.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, SARS-CoV-2 test: no (Negative) Patient never had COVID positive test or diagnosis.         No concomitant medication was provided. No treatment medication was provided. The first booster was on the 27-Aug-2021.  After getting the second booster of the Moderna COVID-19 vaccine, patient experienced side effects that was considerate normal like fever, chills, headache and things like that and side effects that concern patient, like extreme nausea, at 3 am on the 01-Apr-2022, when walked to the bathroom to try to throw up and feel better but patient ended waking up on the bathroom floor and was soaking wet and even more concerning, when patient washed head, patient found a lump. Patient thinks either patient passed out and hit head or slip and had a concussion and had no memory of hitting head. Patient thinks that she could potentially have a brain bleed, but there were no symptoms of that. Patient was concerned that if there was ever need of booster, patient was not confident on getting it because that was very serious. Patient wanted to know if she should get booster in the future. Patient was recommended to get medical recommendation that would be proper to be done by health provider. Patient thinks Moderna is a sham and use to like Moderna but is going to call. AE did not cause patient to seek medical care (office visit, Urgent care, ER, hospitalized), AE outcome was unknown but symptoms were reported to be improved.