Sex: M
Vaccine: COVID19
Symptoms: Pain in extremity, Vaccination site streaking, Vaccination site warmth
Clinical narrative: redness on his bicep that looked like a tourniquet; arm was heavy; his lymph nodes were the size of grapes on his arm, underarm, bicep, neck and chest; areas were hot to touch; pain level was a 10, like his arm  was going to explode; chills; Flu like symptoms; Just wanted to sleep; A spontaneous report was received from a consumer concerning a male of unknown age who received Moderna's COVID-19 vaccine (mRNA-1273) and experienced redness on his bicep that looked like a tourniquet/vaccination site streaking, arm was heavy/limb discomfort, lymph nodes were the size of grapes on arm, underarm, bicep, neck and chest/lymphadenopathy, areas were hot to the touch/vaccination site warmth, pain level at a ten, felt like arm was going to explode/pain in extremity, chills, flu-like symptoms/influenza like illness and just wanted to sleep/fatigue.  The patient's medical history included cellulitis and swelling with mosquito bite.  Concomitant product history was not provided.  On 20 Jan 2021, the patient received their first of two planned doses of mRNA-1273 (Batch number:026L20a) for prophylaxis of COVID-19 infection. Two weeks after his first injection he had a small red circle the size of a half dollar at the injection site that lasted about three to four days. He notified his doctor and was told there was no issue with the red circle.   On 17 Feb 2021, prior to the onset of the symptoms, the patient received their second of two planned doses of mRNA-1273 (Batch number:039K20a) intramuscularly in the left arm for prophylaxis of COVID-19 infection.   On 17 Feb 2021 about 14 hours after his second shot he stated that he had flu like symptoms including chills, slept and had a sore arm. Then about a day and a half later in his left arm where he got the shot, his lymph nodes were the size of grapes on his arm, under his arm, bicep area, on the left side of his neck, and on the left side of his chest. The patient stated that the areas where hot to the touch and his pain level was at a 10.  He felt like his arm was going to explode. He also just wanted to sleep. His doctor thought it was cellulitis. On 20Feb2021, the patient went to urgent care because he developed redness on his bicep that wrapped around his arm like a tourniquet, and his arm was really heavy. The urgent care doctor put him on steroids. On 21Feb2021, he contacted his doctor again and was told to go to the ER. He was taken off the steroid and but on IV vancomycin every 12 hours for 3 days. He was admitted to the hospital from the ER. The patient had 2 Covid tests while in the hospital and both came back negative. His white blood cell count was 35,000 while in the hospital and was seen by an infectious disease doctor.  The patient was discharged on 23 Feb 2021.  Treatments of these events included doxycycline, IV vancomycin  Action taken with mRNA-1273 in response to the event  were not applicable.  The outcome of the event(s) were not provided.; Reporter's Comments: Based on the current available information, a temporal association between the use of the product and the start date of the events, a causal relationship with the events cannot be excluded.