Patient felt his skin started to itch/Hives itch so bad; Patient felt that his body got hot; Patient felt his skin was on fire and it won't go away in the back of the neck, the back of the legs, the back; Hives appear or disappear in different zones of his body,Hives all over the body,His arm today broke up in hives, they are all over his arm,welts; his stomach hurts; Patient can't even sleep; Patient stated that if he touches, it gets worse/it is getting worse; very sick; patient felt flu-like symptoms; This spontaneous case was reported by a consumer and describes the occurrence of ILLNESS (very sick), INFLUENZA LIKE ILLNESS (patient felt flu-like symptoms), PRURITUS (Patient felt his skin started to itch/Hives itch so bad), FEELING HOT (Patient felt that his body got hot) and SKIN BURNING SENSATION (Patient felt his skin was on fire and it won't go away in the back of the neck, the back of the legs, the back) in a 53-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 03-Dec-2021, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 08-Dec-2021, the patient experienced INFLUENZA LIKE ILLNESS (patient felt flu-like symptoms). On an unknown date, the patient experienced ILLNESS (very sick), PRURITUS (Patient felt his skin started to itch/Hives itch so bad), FEELING HOT (Patient felt that his body got hot), SKIN BURNING SENSATION (Patient felt his skin was on fire and it won't go away in the back of the neck, the back of the legs, the back), URTICARIA (Hives appear or disappear in different zones of his body,Hives all over the body,His arm today broke up in hives, they are all over his arm,welts), ABDOMINAL PAIN UPPER (his stomach hurts), INSOMNIA (Patient can't even sleep) and CONDITION AGGRAVATED (Patient stated that if he touches, it gets worse/it is getting worse). The patient was treated with CETIRIZINE HYDROCHLORIDE (ZYRTEC ALLERGY) for Adverse event, at an unspecified dose and frequency. At the time of the report, ILLNESS (very sick), INFLUENZA LIKE ILLNESS (patient felt flu-like symptoms), PRURITUS (Patient felt his skin started to itch/Hives itch so bad), FEELING HOT (Patient felt that his body got hot), SKIN BURNING SENSATION (Patient felt his skin was on fire and it won't go away in the back of the neck, the back of the legs, the back), URTICARIA (Hives appear or disappear in different zones of his body,Hives all over the body,His arm today broke up in hives, they are all over his arm,welts), ABDOMINAL PAIN UPPER (his stomach hurts), INSOMNIA (Patient can't even sleep) and CONDITION AGGRAVATED (Patient stated that if he touches, it gets worse/it is getting worse) had not resolved.            No concomitant medication were provided. Patient stated that he got the booster shot on 03-DEC-2021 LOT NUMBER:TCPH55 or TCPH00 it was not clear. A week and a half before the Christmas patient felt his skin started to itch and the body got hot, the skin was on fire and it won't go away: in the back of the neck, the back of the legs, the back, if he touches, it got worse. The patient  went to the hospital and received an oral steroid and two prescription medications and were effective for a short period of time. Patient said that he changed some things on his diet but he is still having hives,he cannot stand another minute of this, he does not have a history of allergies.