A huge swollen lymph node in left armpit (2.5 inches)/Extreme Swelling under left armpit; COVID ARM; Rash that goes down and around the arm; itchy like fire; injection site red/Redness of left upper arm; shot really hurt; Small bruise at injection site; Swelling of left upper arm right below small bruise at injection site; This spontaneous case was reported by a consumer and describes the occurrence of VACCINATION SITE REACTION (COVID ARM), RASH (Rash that goes down and around the arm), VACCINATION SITE BRUISING (Small bruise at injection site), VACCINATION SITE PRURITUS (itchy like fire) and VACCINATION SITE ERYTHEMA (injection site red/Redness of left upper arm) in a 64-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Chronic lymphocytic leukemia.   On 29-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 27-May-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. In May 2021, the patient experienced VACCINATION SITE BRUISING (Small bruise at injection site). On 29-May-2021, the patient experienced VACCINATION SITE REACTION (COVID ARM). 29-May-2021, the patient experienced RASH (Rash that goes down and around the arm), VACCINATION SITE PRURITUS (itchy like fire), VACCINATION SITE ERYTHEMA (injection site red/Redness of left upper arm) and VACCINATION SITE PAIN (shot really hurt). On 06-Jun-2021, the patient experienced LYMPHADENOPATHY (A huge swollen lymph node in left armpit (2.5 inches)/Extreme Swelling under left armpit). In 2021, the patient experienced VACCINATION SITE SWELLING (Swelling of left upper arm right below small bruise at injection site). The patient was treated with HYDROCORTISONE at a dose of 1 dosage form. At the time of the report, VACCINATION SITE REACTION (COVID ARM), VACCINATION SITE BRUISING (Small bruise at injection site), VACCINATION SITE PRURITUS (itchy like fire), VACCINATION SITE ERYTHEMA (injection site red/Redness of left upper arm), VACCINATION SITE PAIN (shot really hurt) and VACCINATION SITE SWELLING (Swelling of left upper arm right below small bruise at injection site) outcome was unknown and RASH (Rash that goes down and around the arm) and LYMPHADENOPATHY (A huge swollen lymph node in left armpit (2.5 inches)/Extreme Swelling under left armpit) was resolving.            No relevant concomitant medications were provided.  Approximately, on 06-Jun-2021, the patient noticed a huge swollen lymph node in left armpit. The lump was around 2.5 inches long and considerably swelled. As on 04-Jul-2021, according to the patient, the rash was mostly cleared and the lump had gone down significantly.   This case was linked to MOD-2021-194372 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 04-Jul-2021: Additional information received  on 5 jul 2021 contain information included additional event and outcomes of the events. On 09-Jul-2021: Additional information received on 9 jul 2021 contain information included additional event and outcomes of the events.