weird burning sensation on left thigh; Not able to move my neck/neck pain was the morning following vaccine; hard to walk; had a big rash; past 36 day interval for 2nd dose; felt like sunburn; ache in lower right calf/pain in lower right calve; Irregular Heart Rate/ Palpitations; right ear was hurting; This spontaneous case was reported by a consumer and describes the occurrence of BURNING SENSATION (weird burning sensation on left thigh), SUNBURN (felt like sunburn), PAIN IN EXTREMITY (ache in lower right calf/pain in lower right calve), PALPITATIONS (Irregular Heart Rate/ Palpitations) and NECK PAIN (Not able to move my neck/neck pain was the morning following vaccine) in a 57-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 014M20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Thrombocytopenia (low platelets), Leukopenia (low white blood cells), Depression and Surgery (unspecified surgeries). Concurrent medical conditions included Hypothyroidism. Concomitant products included LEVOTHYROXINE from 05-Nov-1996 to an unknown date for Hypothyroidism.    On 02-Mar-2021 at 4:00 PM, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 03-Mar-2021, the patient experienced EAR PAIN (right ear was hurting). On 05-Mar-2021 at 2:00 PM, the patient experienced SUNBURN (felt like sunburn), PAIN IN EXTREMITY (ache in lower right calf/pain in lower right calve) and PALPITATIONS (Irregular Heart Rate/ Palpitations). On 09-Apr-2021, the patient experienced PRODUCT DOSE OMISSION ISSUE (past 36 day interval for 2nd dose). On an unknown date, the patient experienced BURNING SENSATION (weird burning sensation on left thigh), NECK PAIN (Not able to move my neck/neck pain was the morning following vaccine), GAIT DISTURBANCE (hard to walk) and RASH (had a big rash). The patient was treated with PARACETAMOL (TYLENOL) at a dose of for a week and a half and GABAPENTIN (NEURONTIN) at a dose of for a week and a half. On 09-Apr-2021 at 4:00 PM, SUNBURN (felt like sunburn), PAIN IN EXTREMITY (ache in lower right calf/pain in lower right calve) and PALPITATIONS (Irregular Heart Rate/ Palpitations) had resolved. At the time of the report, BURNING SENSATION (weird burning sensation on left thigh), EAR PAIN (right ear was hurting), GAIT DISTURBANCE (hard to walk), PRODUCT DOSE OMISSION ISSUE (past 36 day interval for 2nd dose) and RASH (had a big rash) outcome was unknown and NECK PAIN (Not able to move my neck/neck pain was the morning following vaccine) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): In 2021, Blood test: normal (normal) normal. In 2021, Heart rate: high heart beats per minute (High) Greater than 100 and irregular heart beats per minute (abnormal) Irregular. In 2021, Ultrasound scan: normal (normal) normal.     mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosing remained unchanged.       This case was linked to MOD-2021-263562 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 22-Jul-2021: Batch number, patient details, concomitant medications details, new event, event details and lab data updated.