stiff joints; Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints.; Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints; Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints; Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints.; Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints; Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints; Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints; This spontaneous case was reported by a patient and describes the occurrence of JOINT STIFFNESS (stiff joints), PAIN (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints.), DIZZINESS (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints), VACCINATION SITE PRURITUS (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints) and VACCINATION SITE PAIN (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints.) in a 47-year-old female patient who received mRNA-1273.815 (SPIKEVAX 2023-2024 PFS) for COVID-19 prophylaxis. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 10-Nov-2023, the patient received dose of mRNA-1273.815 (SPIKEVAX 2023-2024 PFS) (Intramuscular use) 1 dosage form. On 10-Nov-2023, the patient experienced PAIN (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints.), DIZZINESS (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints), VACCINATION SITE PRURITUS (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints), VACCINATION SITE PAIN (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints.), PYREXIA (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints), CHILLS (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints) and HEADACHE (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints). On an unknown date, the patient experienced JOINT STIFFNESS (stiff joints). At the time of the report, JOINT STIFFNESS (stiff joints) outcome was unknown and PAIN (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints.), DIZZINESS (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints), VACCINATION SITE PRURITUS (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints), VACCINATION SITE PAIN (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints.), PYREXIA (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints), CHILLS (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints) and HEADACHE (Itchy and sore injection site from the start, then later in the evening I developed fever, chills, dizziness, headache, body aches and stiff joints) was resolving.            No concomitant medication information was reported.  The patient felt itchiness and soreness at the injection site from the start, and then later in the evening. The patient developed fever, chills, dizziness, headache, body aches and stiff joints.  No treatment information was reported.