I'm having a reaction to the moderna; My arm at the site, 9 days after the shot, I started getting these little bumps and then it's all red and theres heat and now the redness is going down my arm towards the elbow; There is heat at the top on my arm.; Felt like she could not get warm,I was not sure if I had a fever.; A red -like inflammation that progressed down her arm and that stopped about 1/4 of an inch; I started having itching at the sight of the injection; little bumps around the injection site; This spontaneous case was reported by a consumer and describes the occurrence of ADVERSE REACTION (I'm having a reaction to the moderna), ERYTHEMA (My arm at the site, 9 days after the shot, I started getting these little bumps and then it's all red and theres heat and now the redness is going down my arm towards the elbow), VACCINATION SITE WARMTH (There is heat at the top on my arm.), FEELING COLD (Felt like she could not get warm,I was not sure if I had a fever.) and INFLAMMATION (A red -like inflammation that progressed down her arm and that stopped about 1/4 of an inch) in an 81-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. Unknown) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 11-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 20-Jan-2021, the patient experienced VACCINATION SITE WARMTH (There is heat at the top on my arm.), FEELING COLD (Felt like she could not get warm,I was not sure if I had a fever.), INFLAMMATION (A red -like inflammation that progressed down her arm and that stopped about 1/4 of an inch), VACCINATION SITE PRURITUS (I started having itching at the sight of the injection) and VACCINATION SITE SWELLING (little bumps around the injection site). On an unknown date, the patient experienced ADVERSE REACTION (I'm having a reaction to the moderna) and ERYTHEMA (My arm at the site, 9 days after the shot, I started getting these little bumps and then it's all red and theres heat and now the redness is going down my arm towards the elbow). At the time of the report, ADVERSE REACTION (I'm having a reaction to the moderna), ERYTHEMA (My arm at the site, 9 days after the shot, I started getting these little bumps and then it's all red and theres heat and now the redness is going down my arm towards the elbow), VACCINATION SITE WARMTH (There is heat at the top on my arm.), FEELING COLD (Felt like she could not get warm,I was not sure if I had a fever.), INFLAMMATION (A red -like inflammation that progressed down her arm and that stopped about 1/4 of an inch), VACCINATION SITE PRURITUS (I started having itching at the sight of the injection) and VACCINATION SITE SWELLING (little bumps around the injection site) outcome was unknown. Not Provided      The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       No treatment information was provided.  Concomitant product use was not provided by the reporter.   Most recent FOLLOW-UP information incorporated above includes: On 28-Jan-2021: Reporter's details updated, patient demographic updated, new events updated.