The lump was pressing on her and she cannot sleep because of the lump; She can't hold a phone for longer than 30 seconds, there is a lot of discomfort.; She has a lump under her arm, It is getting bigger; In January 2022 tested positive for coronavirus; This spontaneous case was reported by a consumer and describes the occurrence of COVID-19 (In January 2022 tested positive for coronavirus), INSOMNIA (The lump was pressing on her and she cannot sleep because of the lump), LIMB DISCOMFORT (She can't hold a phone for longer than 30 seconds, there is a lot of discomfort.) and AXILLARY MASS (She has a lump under her arm, It is getting bigger) in a 49-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 031H21A, 001C21A and 003B21A) for COVID-19 vaccination.     No Medical History information was reported.   On 01-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 29-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 21-Dec-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. In January 2022, the patient experienced COVID-19 (In January 2022 tested positive for coronavirus). On an unknown date, the patient experienced INSOMNIA (The lump was pressing on her and she cannot sleep because of the lump), LIMB DISCOMFORT (She can't hold a phone for longer than 30 seconds, there is a lot of discomfort.) and AXILLARY MASS (She has a lump under her arm, It is getting bigger). At the time of the report, COVID-19 (In January 2022 tested positive for coronavirus), INSOMNIA (The lump was pressing on her and she cannot sleep because of the lump), LIMB DISCOMFORT (She can't hold a phone for longer than 30 seconds, there is a lot of discomfort.) and AXILLARY MASS (She has a lump under her arm, It is getting bigger) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): In January 2022, Coronavirus test: positive (Positive) Positive. On an unknown date, Mammogram: did not saw anything bad (normal) Did not saw anything bad.         It was reported that, the patient had a lump under her arm. She had a mammogram; they did not saw anything bad in report. The lump was pressing on her and she cannot sleep because of the lump. It was on the left side of her, on her left arm. She may have to remove the lump. She cannot hold a phone for longer than 30 seconds, there was a lot of discomfort. It was getting bigger. Additionally she stated that, she had read lumps are affecting 11 percent of the population of people who received Moderna and Pfizer COVID-19 vaccines.  Concomitant and Treatment information was not provided.   This case was linked to MOD-2022-533481 (Patient Link). Sender's Comments: This spontaneous case concerns a 49-year-old female patient with no reported medical history who experienced the unexpected non-serious AESI of COVID-19 which occurred unknown days after administration of booster dose of mRNA-1273 vaccine. No investigations or treatment related to COVID 19 have been reported. The benefit-risk relationship of mRNA-1273 is not affected by this report.