Received pfizer vaccine; Vaccine received by a patient under 18 years of age; Swollen lymph nodes; Pains; Skin was hurting; Fuzzy headed; Started to get tired; Headaches; Injection site pain; Fever/low-grade fever/warm to touch/ fever has ranged between 101-102 Fahrenheit; Nausea; Aches; This spontaneous case was reported by a consumer and describes the occurrence of PAIN (pains), PAIN OF SKIN ("skin was hurting"), FEELING ABNORMAL ("fuzzy headed"), FATIGUE ("started to get tired") and HEADACHE (headaches) in a 17-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 078l21a) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.    Co-suspect product included non-company product TOZINAMERAN (PFIZER BIONTECH COVID-19 VACCINE) for COVID-19 vaccination.    No Medical History information was reported.   On 15-Apr-2021, the patient received first dose of TOZINAMERAN (PFIZER BIONTECH COVID-19 VACCINE) (Intramuscular) 1 dosage form. On 06-May-2021, received second dose of TOZINAMERAN (PFIZER BIONTECH COVID-19 VACCINE) (unknown route) dosage was changed to 1 dosage form. On 11-Aug-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 11-Aug-2021, the patient experienced PAIN (pains), PAIN OF SKIN ("skin was hurting"), FEELING ABNORMAL ("fuzzy headed"), FATIGUE ("started to get tired"), HEADACHE (headaches), VACCINATION SITE PAIN (injection site pain), PYREXIA (FEVER/low-grade fever/warm to the touch/ fever has ranged between 101-102 Fahrenheit), NAUSEA (nausea) and MYALGIA (aches). On 12-Aug-2021, the patient experienced LYMPHADENOPATHY (swollen lymph nodes). On an unknown date, the patient experienced INTERCHANGE OF VACCINE PRODUCTS (received pfizer vaccine) and PRODUCT ADMINISTERED TO PATIENT OF INAPPROPRIATE AGE (vaccine received by a patient under 18 years of age). At the time of the report, PAIN (pains), PAIN OF SKIN ("skin was hurting"), FEELING ABNORMAL ("fuzzy headed"), FATIGUE ("started to get tired"), HEADACHE (headaches), VACCINATION SITE PAIN (injection site pain), PYREXIA (FEVER/low-grade fever/warm to the touch/ fever has ranged between 101-102 Fahrenheit), NAUSEA (nausea), MYALGIA (aches) and LYMPHADENOPATHY (swollen lymph nodes) outcome was unknown and INTERCHANGE OF VACCINE PRODUCTS (received pfizer vaccine) and PRODUCT ADMINISTERED TO PATIENT OF INAPPROPRIATE AGE (vaccine received by a patient under 18 years of age) had resolved.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       Concomitant product information was not provided.  The patient was treated with Tylenol (dosed every 6 hours).  On 11-Aug-2021 around 10:45 AM, the patient was supposed to be given a Hepatitis B vaccine as a school requirement, but instead, the patient was given the Moderna COVID-19 vaccine.   Most recent FOLLOW-UP information incorporated above includes: On 12-Aug-2021: Added events : started to get tired" and "fuzzy headed, headaches, "skin was hurting",having a low-grade fever (warm to the touch)/fever/ fever has ranged between 101-102 Fahrenheit, nausea, aches and pains,enausea, swollen lymph nodes. All new events having outcome unknown. treatment was added. Co-suspect drug dosage information was added.