Within 12 hours extreme flu like symptom; Shooting pain down the leg; Prickling/Tingling; Feeling hot; inability to concentrate; Abdominal crampig; Arm is swollen; Lymph node underneath armpit is swollen and reddish; serious fatigue; Maybe chills; Vomiting; Nausea; Positive for fever 52 hours later; Last night heart was racing; Having lucid dreams; Full dose instead of a half a dose; This spontaneous case was reported by a consumer and describes the occurrence of PALPITATIONS (Last night heart was racing), ABNORMAL DREAMS (Having lucid dreams), INFLUENZA LIKE ILLNESS (Within 12 hours extreme flu like symptom), PAIN IN EXTREMITY (Shooting pain down the leg) and PARAESTHESIA (Prickling/Tingling) in a 53-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 051F21A, 016B21A and 002A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Previously administered products included for Product used for unknown indication: flu vaccine on 23-Sep-2021. Past adverse reactions to the above products included No adverse event with flu vaccine. Concurrent medical conditions included Hay fever, Hypothyroidism since 2006 and Menopause since 2017. Concomitant products included ESTRADIOL and LEVOTHYROXINE for an unknown indication.   On 05-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 02-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 04-Nov-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 04-Nov-2021, the patient experienced INCORRECT DOSE ADMINISTERED (Full dose instead of a half a dose). On 07-Nov-2021, the patient experienced PALPITATIONS (Last night heart was racing) and ABNORMAL DREAMS (Having lucid dreams). On an unknown date, the patient experienced INFLUENZA LIKE ILLNESS (Within 12 hours extreme flu like symptom), PAIN IN EXTREMITY (Shooting pain down the leg), PARAESTHESIA (Prickling/Tingling), FEELING HOT (Feeling hot), DISTURBANCE IN ATTENTION (inability to concentrate), ABDOMINAL PAIN (Abdominal crampig), PERIPHERAL SWELLING (Arm is swollen), VACCINATION SITE LYMPHADENOPATHY (Lymph node underneath armpit is swollen and reddish), FATIGUE (serious fatigue), CHILLS (Maybe chills), VOMITING (Vomiting), NAUSEA (Nausea) and PYREXIA (Positive for fever 52 hours later). The patient was treated with PARACETAMOL (TYLENOL [PARACETAMOL]) for Adverse event, at a dose of took 2 tablets of Tylenol regular strength. On 04-Nov-2021, INCORRECT DOSE ADMINISTERED (Full dose instead of a half a dose) had resolved. At the time of the report, PALPITATIONS (Last night heart was racing), ABNORMAL DREAMS (Having lucid dreams), PARAESTHESIA (Prickling/Tingling), FEELING HOT (Feeling hot) and ABDOMINAL PAIN (Abdominal crampig) outcome was unknown, INFLUENZA LIKE ILLNESS (Within 12 hours extreme flu like symptom), PAIN IN EXTREMITY (Shooting pain down the leg), DISTURBANCE IN ATTENTION (inability to concentrate), PERIPHERAL SWELLING (Arm is swollen), FATIGUE (serious fatigue), CHILLS (Maybe chills), VOMITING (Vomiting), NAUSEA (Nausea) and PYREXIA (Positive for fever 52 hours later) had not resolved and VACCINATION SITE LYMPHADENOPATHY (Lymph node underneath armpit is swollen and reddish) had resolved with sequelae.            Patient took Over the counter drugs like allergy pills.  Treatment medications include Gatorade. Patient experienced neither hypersensitivity nor anaphylaxis, but she thought she might be of assistance.   This case was linked to MOD-2021-378215, MOD-2021-378207 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 10-Nov-2021: Follow up received on 10-NOV-2021 contains significant information: Patient demographics added, Medical history added, New events added.