unable to work; Diarrhea; severe joint pain; severe fever; severe muscle pain; sweating; no appetite, cannot eat; flu like symptoms; weakness; very dehydrated; Lost 15 pounds in one month; cannot get up from the bed; throwing up; This spontaneous case was reported by a consumer and describes the occurrence of DIARRHOEA (Diarrhea), ARTHRALGIA (severe joint pain), PYREXIA (severe fever) and MYALGIA (severe muscle pain) in a female patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. unknown and Unknown) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 18-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 18-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 18-Mar-2021, the patient experienced DIARRHOEA (Diarrhea) (seriousness criterion medically significant), ARTHRALGIA (severe joint pain) (seriousness criterion medically significant), PYREXIA (severe fever) (seriousness criterion medically significant), MYALGIA (severe muscle pain) (seriousness criterion medically significant), HYPERHIDROSIS (sweating), DECREASED APPETITE (no appetite, cannot eat), INFLUENZA LIKE ILLNESS (flu like symptoms), ASTHENIA (weakness), DEHYDRATION (very dehydrated), WEIGHT DECREASED (Lost 15 pounds in one month), MOBILITY DECREASED (cannot get up from the bed) and VOMITING (throwing up). On an unknown date, the patient experienced IMPAIRED WORK ABILITY (unable to work). At the time of the report, DIARRHOEA (Diarrhea), ARTHRALGIA (severe joint pain), PYREXIA (severe fever), MYALGIA (severe muscle pain), HYPERHIDROSIS (sweating), DECREASED APPETITE (no appetite, cannot eat), INFLUENZA LIKE ILLNESS (flu like symptoms), ASTHENIA (weakness), DEHYDRATION (very dehydrated), WEIGHT DECREASED (Lost 15 pounds in one month), MOBILITY DECREASED (cannot get up from the bed), VOMITING (throwing up) and IMPAIRED WORK ABILITY (unable to work) outcome was unknown.            No concomitant medications were provided by the reporter.  Action taken with mRNA-1273 in response to the events was not applicable.   Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.  The patient reported that side effects after the first dose were not as severe as the ones after her second dose. The patient stated I am dying here multiple times. When she reached out to her HCP, her HCP said she cannot have her there as she might be infected. She requests that someone comes to her house to see her and to give her IVs. She stated she cannot go to the emergency room because she might get an infection. She previously used to work 12-hour days, now she is anable to work. The patient reported she is always in the bathroom and home bound. No treatment information was provided by the reporter.   Most recent FOLLOW-UP information incorporated above includes: On 23-Jun-2021: Follow up information included additional events On 24-Jun-2021: Follow up information included reporter details; Sender's Comments: Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.