Rash on her arm after the third shot; Rash on arm after third shot, it was a bit swollen; Had little blood blisters come up after the third shot; Mild fever; Chills; rash appeared down her neck/tiny little pin red marks/3 red ones about 2mm/7 pinholes on chest/on stomach 3 larger ones; Rash was very itchy/very very itchy on the neck; rash appeared down her neck/tiny little pin red marks/3 red ones about 2mm/7 pinholes on chest/on stomach 3 larger ones; This spontaneous case was reported by a consumer and describes the occurrence of BLOOD BLISTER (Had little blood blisters come up after the third shot), RASH ERYTHEMATOUS (rash appeared down her neck/tiny little pin red marks/3 red ones about 2mm/7 pinholes on chest/on stomach 3 larger ones), RASH PRURITIC (Rash was very itchy/very very itchy on the neck), RASH MACULAR (rash appeared down her neck/tiny little pin red marks/3 red ones about 2mm/7 pinholes on chest/on stomach 3 larger ones) and VACCINATION SITE RASH (Rash on her arm after the third shot) in a 61-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 037F21A, 018B21A and 048A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Bronchiectasis (Chronic) since 01-Nov-2013, Breast cancer since 02-Jul-2021, Drug allergy (Codeine - sickness and diarrhea), Drug allergy (Sertraline - sickness and diarrhea) and Depression. Concomitant products included LETROZOLE from 28-Jul-2021 to an unknown date for Breast cancer, FLUTICASONE FUROATE (ARNUITY ELLIPTA) from 2018 to an unknown date and ALBUTEROL [SALBUTAMOL] from 2018 to an unknown date for Bronchiectasis, PITAVASTATIN CALCIUM (LIVALO) from 01-Jan-2010 to an unknown date for Cholesterol high, BUPROPION from 2018 to an unknown date for Depression, BIFIDOBACTERIUM INFANTIS, LACTOBACILLUS ACIDOPHILUS (PROBIOTIC [BIFIDOBACTERIUM INFANTIS;LACTOBACILLUS ACIDOPHILUS]), ERGOCALCIFEROL (VITAMIN D [ERGOCALCIFEROL]) and VITAMIN B COMPLEX for an unknown indication.   On 17-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 16-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 07-Sep-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 07-Sep-2021, the patient experienced RASH ERYTHEMATOUS (rash appeared down her neck/tiny little pin red marks/3 red ones about 2mm/7 pinholes on chest/on stomach 3 larger ones), RASH PRURITIC (Rash was very itchy/very very itchy on the neck) and RASH MACULAR (rash appeared down her neck/tiny little pin red marks/3 red ones about 2mm/7 pinholes on chest/on stomach 3 larger ones). On 08-Sep-2021, the patient experienced PYREXIA (Mild fever) and CHILLS (Chills). On 18-Sep-2021, the patient experienced BLOOD BLISTER (Had little blood blisters come up after the third shot). On an unknown date, the patient experienced VACCINATION SITE RASH (Rash on her arm after the third shot) and VACCINATION SITE SWELLING (Rash on arm after third shot, it was a bit swollen). The patient was treated with IBUPROFEN on 08-Sep-2021 for Chills and Fever, at an unspecified dose and frequency. On 22-Sep-2021, BLOOD BLISTER (Had little blood blisters come up after the third shot), RASH ERYTHEMATOUS (rash appeared down her neck/tiny little pin red marks/3 red ones about 2mm/7 pinholes on chest/on stomach 3 larger ones), RASH PRURITIC (Rash was very itchy/very very itchy on the neck) and RASH MACULAR (rash appeared down her neck/tiny little pin red marks/3 red ones about 2mm/7 pinholes on chest/on stomach 3 larger ones) had resolved. At the time of the report, VACCINATION SITE RASH (Rash on her arm after the third shot), VACCINATION SITE SWELLING (Rash on arm after third shot, it was a bit swollen), PYREXIA (Mild fever) and CHILLS (Chills) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Body temperature: 99.7 (High) 99.7 degree Fahrenheit.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   The patient reported that her arm  was swollen, red and itchy the day after the 3rd shot of the vaccine. A few days later, a rash appeared on the right side of her neck. On 18-Sep-2021, she took a shower and noticed 7 pinhole bright red spots across her upper chest, 3 (also reported as 4) on her stomach, a couple on her upper arms and upper legs and one on her breast. On an unknown date, the patient's temperature was noted to be 99.7 F. An outcome was not provided, however, the patient reported that the reaction stopped on 22-Sep-2021.   Most recent FOLLOW-UP information incorporated above includes: On 23-Sep-2021: Follow up includes additional event details, reaction stop date and dates of concomitant medications and patient characteristics.