Intermittent localized fevers in ear canal, nasal passage, under tongue, armpits; Continued fatigue; headache; Recurring goosebump; cycling through hot a cold; full body ache; Itchy palms began; Full body trembling; pain in left neck; injection site pain; injection site stiffness; This spontaneous case was reported by a consumer and describes the occurrence of VACCINATION SITE DISCOMFORT (injection site stiffness), PILOERECTION (Recurring goosebump), TREMOR (Full body trembling), NECK PAIN (pain in left neck) and FEELING OF BODY TEMPERATURE CHANGE (cycling through hot a cold) in a 35-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 046A21A and 029A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Fish allergy, Asthma and Anaphylaxis (bivalves) since 01-Jan-2005.   On 01-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 09-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 09-Apr-2021, the patient experienced VACCINATION SITE DISCOMFORT (injection site stiffness), TREMOR (Full body trembling), NECK PAIN (pain in left neck) and VACCINATION SITE PAIN (injection site pain). On 10-Apr-2021, the patient experienced PILOERECTION (Recurring goosebump), FEELING OF BODY TEMPERATURE CHANGE (cycling through hot a cold), PAIN (full body ache), PRURITUS (Itchy palms began), FATIGUE (Continued fatigue) and HEADACHE (headache). On an unknown date, the patient experienced PYREXIA (Intermittent localized fevers in ear canal, nasal passage, under tongue, armpits). The patient was treated with PARACETAMOL (TYLENOL) on 09-Apr-2021 for Fever, at a dose of 500 mg twice a day; PARACETAMOL (TYLENOL) on 10-Apr-2021 for Fever, at a dose of 500 mg three times a day; PARACETAMOL (TYLENOL) on 11-Apr-2021 for Fever, at a dose of 500 mg twice a day; PARACETAMOL (TYLENOL) on 12-Apr-2021 for Fever, at a dose of 500 mg; PARACETAMOL (TYLENOL) on 14-Apr-2021 for Fever, at a dose of 500 mg; PARACETAMOL (TYLENOL) on 15-Apr-2021 for Fever, at a dose of 500 mg twice a day; IBUPROFEN on 10-Apr-2021 for Adverse event, at a dose of 600 mg at 10:30; IBUPROFEN on 12-Apr-2021 for Adverse event, at a dose of 400 mg; DIPHENHYDRAMINE HYDROCHLORIDE (BENADRYL [DIPHENHYDRAMINE HYDROCHLORIDE]) on 10-Apr-2021 for Adverse event, at a dose of UNK, 2 Benadryl at 12am; DIPHENHYDRAMINE HYDROCHLORIDE (BENADRYL [DIPHENHYDRAMINE HYDROCHLORIDE]) on 11-Apr-2021 for Adverse event, at a dose of UNK, Benadryl at 11:30pm; DIPHENHYDRAMINE HYDROCHLORIDE (BENADRYL [DIPHENHYDRAMINE HYDROCHLORIDE]) on 12-Apr-2021 for Adverse event, at a dose of UNK, 1 Benadryl; DIPHENHYDRAMINE HYDROCHLORIDE (BENADRYL [DIPHENHYDRAMINE HYDROCHLORIDE]) on 14-Apr-2021 for Adverse event, at a dose of UNK, 1 Benadryl at 11pm and DIPHENHYDRAMINE HYDROCHLORIDE (BENADRYL [DIPHENHYDRAMINE HYDROCHLORIDE]) on 15-Apr-2021 for Adverse event, at a dose of UNK, 1 Benadryl at 10pm. At the time of the report, VACCINATION SITE DISCOMFORT (injection site stiffness), PILOERECTION (Recurring goosebump), TREMOR (Full body trembling), NECK PAIN (pain in left neck), FEELING OF BODY TEMPERATURE CHANGE (cycling through hot a cold), PAIN (full body ache), PRURITUS (Itchy palms began), PYREXIA (Intermittent localized fevers in ear canal, nasal passage, under tongue, armpits), FATIGUE (Continued fatigue), HEADACHE (headache) and VACCINATION SITE PAIN (injection site pain) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 09-Apr-2021, Body temperature: 99-101.2 (High) 99 - 101.2. Intermittent fever localized in left neck and right/left temple.Feverish symptoms without wide spread fever. On 10-Apr-2021, Body temperature: 99.5-101.7 (High) 99.5-101.7. Intermittent localized fever in the same place all day (worse at night) and 101-102 (High) 101-102 fever in ear canal, nasal passage, under tongue, armpits. On 12-Apr-2021, Body temperature: 100-100.8 (High) mild fever at 11:30 - 100-100.8 under left armpit, 99.9 in right ear canal. On 14-Apr-2021, Body temperature: 100.8 (High) 100.8 fever under tongue and nowhere else at 10:30am. On 15-Apr-2021, Body temperature: 101.5 (High) 101.5 fever under tongue, 100 in left ear. Both midday and in the evening.         No concomitant medication was provided.    This case was linked to MOD-2021-080668, MOD-2021-080775, MOD-2021-080668 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 26-Jul-2021: Significant FU-New Event, Reporter Address, Patient demographics, Medical history,vaccine dose administration date Batch Number ,vaccine facility center name were updated