Moderna Arm; Very sore hand; Large red area across forehead; Haven't gotten the 2nd dose yet; Nausea; Burning at the injection site; Itching at injection site; Injection site gets red off and on; Red rash on the site; Injection site swelling; Fever; a very sore arm; Very sore neck; Flu symptoms/flu like symptoms; This spontaneous case was reported by a patient and describes the occurrence of NECK PAIN (Very sore neck), INFLUENZA LIKE ILLNESS (Flu symptoms/flu like symptoms), VACCINATION SITE REACTION (Moderna Arm), PAIN IN EXTREMITY (Very sore hand) and ERYTHEMA (Large red area across forehead) in a 44-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 007C21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Previously administered products included for an unreported indication: TETANUS VACCINE and INFLUENZA. Concurrent medical conditions included Hay fever, Sulfonamide allergy, Fruit allergy, Eczema and Seasonal allergy. Concomitant products included CETIRIZINE HYDROCHLORIDE (ZYRTEC ALLERGY), MULTIVITAMIN [VITAMINS NOS] and FISH OIL for an unknown indication.    On 23-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 23-Apr-2021, the patient experienced NECK PAIN (Very sore neck), INFLUENZA LIKE ILLNESS (Flu symptoms/flu like symptoms), PYREXIA (Fever), MYALGIA (a very sore arm) and VACCINATION SITE SWELLING (Injection site swelling). On an unknown date, the patient experienced VACCINATION SITE REACTION (Moderna Arm), PAIN IN EXTREMITY (Very sore hand), ERYTHEMA (Large red area across forehead), PRODUCT DOSE OMISSION ISSUE (Haven't gotten the 2nd dose yet), NAUSEA (Nausea), VACCINATION SITE PAIN (Burning at the injection site), VACCINATION SITE PRURITUS (Itching at injection site), VACCINATION SITE ERYTHEMA (Injection site gets red off and on) and VACCINATION SITE RASH (Red rash on the site). The patient was treated with ANTIHISTAMINES (oral) at a dose of 10 milligram once a day. On 27-Apr-2021, VACCINATION SITE SWELLING (Injection site swelling) had resolved. At the time of the report, NECK PAIN (Very sore neck), INFLUENZA LIKE ILLNESS (Flu symptoms/flu like symptoms), VACCINATION SITE REACTION (Moderna Arm), PAIN IN EXTREMITY (Very sore hand), ERYTHEMA (Large red area across forehead), PRODUCT DOSE OMISSION ISSUE (Haven't gotten the 2nd dose yet), NAUSEA (Nausea), PYREXIA (Fever), MYALGIA (a very sore arm), VACCINATION SITE PAIN (Burning at the injection site), VACCINATION SITE PRURITUS (Itching at injection site), VACCINATION SITE ERYTHEMA (Injection site gets red off and on) and VACCINATION SITE RASH (Red rash on the site) had not resolved.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       Patient sought treatment in doctor's office/urgent care center and treatment included antihistamines. No relevant lab data or diagnostics reported. Patient has not received second dose yet.   Most recent FOLLOW-UP information incorporated above includes: On 20-Jun-2021: Follow up information was received from initial reporter: Patient's demography, medical history and concomitant medications were added