I did not get the second vaccine to date; COVID arm: whole upper arm, rash; Head and right side neck pain with tenterness to touch; COVID arm: whole upper arm, rash, red skin, hot, itchy, a little swollen; COVID arm: whole upper arm, rash, red skin, hot, itchy, a little swollen; COVID arm: whole upper arm, rash, red skin, hot, itchy, a little swollen/soft tissue swelling on neck; Head and right side neck pain with tenterness to touch; Sore throat swallowing on the right side; Right side of sinus had a blood nose and she feels tenderness; right side of sinus had a blood nose and she feels tenderness; Difficulty swallowing; Pain of right upper arm; This spontaneous case was reported by a consumer and describes the occurrence of ERYTHEMA (COVID arm: whole upper arm, rash, red skin, hot, itchy, a little swollen), PRURITUS (COVID arm: whole upper arm, rash, red skin, hot, itchy, a little swollen), SWELLING (COVID arm: whole upper arm, rash, red skin, hot, itchy, a little swollen/soft tissue swelling on neck), NECK PAIN (Head and right side neck pain with tenterness to touch) and OROPHARYNGEAL PAIN (Sore throat swallowing on the right side) in a 61-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 023M20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Hay fever and Hives (raised red lesions) in August 2010. Concomitant products included MINERALS NOS, VITAMINS NOS, XANTOFYL (WOMEN 50+ MULTIVITAMIN) for Supplementation therapy.    On 24-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 13-Mar-2021, the patient experienced ERYTHEMA (COVID arm: whole upper arm, rash, red skin, hot, itchy, a little swollen), PRURITUS (COVID arm: whole upper arm, rash, red skin, hot, itchy, a little swollen), SWELLING (COVID arm: whole upper arm, rash, red skin, hot, itchy, a little swollen/soft tissue swelling on neck), NECK PAIN (Head and right side neck pain with tenterness to touch), OROPHARYNGEAL PAIN (Sore throat swallowing on the right side), EPISTAXIS (Right side of sinus had a blood nose and she feels tenderness), SINUS PAIN (right side of sinus had a blood nose and she feels tenderness), DYSPHAGIA (Difficulty swallowing), LIMB DISCOMFORT (Pain of right upper arm), RASH (COVID arm: whole upper arm, rash) and HEADACHE (Head and right side neck pain with tenterness to touch). On an unknown date, the patient experienced UNDERDOSE (I did not get the second vaccine to date). The patient was treated with ACETAMINOPHEN at an unspecified dose and frequency. On 22-Mar-2021, ERYTHEMA (COVID arm: whole upper arm, rash, red skin, hot, itchy, a little swollen), PRURITUS (COVID arm: whole upper arm, rash, red skin, hot, itchy, a little swollen), SWELLING (COVID arm: whole upper arm, rash, red skin, hot, itchy, a little swollen/soft tissue swelling on neck), NECK PAIN (Head and right side neck pain with tenterness to touch), OROPHARYNGEAL PAIN (Sore throat swallowing on the right side), EPISTAXIS (Right side of sinus had a blood nose and she feels tenderness), SINUS PAIN (right side of sinus had a blood nose and she feels tenderness), DYSPHAGIA (Difficulty swallowing), LIMB DISCOMFORT (Pain of right upper arm), RASH (COVID arm: whole upper arm, rash) and HEADACHE (Head and right side neck pain with tenterness to touch) had resolved. At the time of the report, UNDERDOSE (I did not get the second vaccine to date) outcome was unknown. Not Provided    DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 22-Mar-2021, Blood pressure measurement: 109/68 (Inconclusive) 109/68. On 22-Mar-2021, Body temperature: 36.77 (Inconclusive) reported as 98.2 F. On 22-Mar-2021, Heart rate: 97 (Inconclusive) 97. On an unknown date, Blood test: normal (normal) Normal.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       The patient spoked to the physician on 16-Mar-2021 and in person visit to the physician who said if the swelling did not resolve, then to return for an ultrasound. which has not been done because of symptoms had resolved. Patient had noticed on the notes it was described as a lump, but it did not feel lump to her. It seemed soft and general with no borders. The patient had no recurrent episodes of neck, throat and head pain to date.  Treatment medication included Acetaminophen for the pain which did not help.   This case was linked to US-MODERNATX, INC.-MOD-2021-062322 (E2B Linked Report).   Most recent FOLLOW-UP information incorporated above includes: On 18-May-2021: Follow-up received on 18-MAY-2021: added patient history, laboratory data, events and case narrative were updated.; Sender's Comments:  US-MODERNATX, INC.-MOD-2021-062322:Same reporter