Congestive Heart Failure,Both hands and feet are swollen; Urinary Tract Infection; Now both of his legs hurt; Falls sometimes/can't walk; Experienced side effects; This spontaneous case was reported by a consumer and describes the occurrence of URINARY TRACT INFECTION (Urinary Tract Infection) and CARDIAC FAILURE CONGESTIVE (Congestive Heart Failure,Both hands and feet are swollen) in an 82-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 071F21A, 027A21A and 013M20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Patient has no allergic history. Patient had never test or diagnosis of COVID.  Concurrent medical conditions included Sleep apnea (No change in status such as improvement or worsening).   On 15-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) .5 milliliter. On 18-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to .5 milliliter. On 07-Nov-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to .25 milliliter. In 2021, the patient experienced CARDIAC FAILURE CONGESTIVE (Congestive Heart Failure,Both hands and feet are swollen) (seriousness criteria hospitalization and medically significant). In November 2021, the patient experienced IMMUNISATION REACTION (Experienced side effects). In March 2022, the patient experienced URINARY TRACT INFECTION (Urinary Tract Infection) (seriousness criterion hospitalization). On an unknown date, the patient experienced PAIN IN EXTREMITY (Now both of his legs hurt) and MUSCULOSKELETAL DISORDER (Falls sometimes/can't walk). The patient was hospitalized for 7 days due to URINARY TRACT INFECTION. At the time of the report, URINARY TRACT INFECTION (Urinary Tract Infection), IMMUNISATION REACTION (Experienced side effects) and PAIN IN EXTREMITY (Now both of his legs hurt) outcome was unknown, CARDIAC FAILURE CONGESTIVE (Congestive Heart Failure,Both hands and feet are swollen) had resolved and MUSCULOSKELETAL DISORDER (Falls sometimes/can't walk) had not resolved.            No concomitant medications were reported.  Patient did not received other vaccines given within 1 month prior to Moderna COVID-19 vaccine. Patient received vaccine in deltoid.   It was reported that patient was hospitalized for heart thing and was diagnosed with congestive heart failure. Patient's wife stated it was taken care of and his heart is fine now.   Patient received his 1st booster dose on 07-Nov-2021 and experienced side effect afterwards. Patient was hospitalized for 1 week on March 2022.  It was reported that patient symptoms got worsened for falling and could not walk. It was reported that patients both feet and hands were swollen and still has swelling in hands and feet.  Treatment information included water pill. Company Comment: This is a spontaneous case concerning  a  82-year-old, male patient with no relevant medical history, who experienced the unexpected serious (Hospitalization Medically significant) event of Cardiac failure congestive and unexpected serious (Hospitalization) event of Urinary tract infection and unexpected non-serious events of Immunisation reaction, Pain in extremity, lower extremity dysfunction. The event Cardiac failure congestive occurred on unknown date and month of 2021. While event Urinary tract infection  occurred on unknown date of March 2021, while on unknown date Pain in extremity, and lower extremity dysfunction occurred. The event Immunisation reaction occurred unspecified date in November 2021. It was reported that patient received the first dose was given on 15-Feb-2021, second dose given on 18-Mar-2021 and third dose given on 07-Nov-2021. The first, second and third dose are mRNA-1273 vaccine. No further details on clinical course, lab test results and treatment received were reported. At the time of the report, Urinary tract infection, Immunisation reaction and Pain in extremity outcome was unknown. While event  lower extremity dysfunction had not resolved and Cardiac failure congestive had resolved. The benefit-risk relationship of mRNA-1273 COVID 19 Vaccine, is not affected by this report.; Sender's Comments: This is a spontaneous case concerning  a  82-year-old, male patient with no relevant medical history, who experienced the unexpected serious (Hospitalization Medically significant) event of Cardiac failure congestive and unexpected serious (Hospitalization) event of Urinary tract infection and unexpected non-serious events of Immunisation reaction, Pain in extremity, lower extremity dysfunction. The event Cardiac failure congestive occurred on unknown date and month of 2021. While event Urinary tract infection  occurred on unknown date of March 2021, while on unknown date Pain in extremity, and lower extremity dysfunction occurred. The event Immunisation reaction occurred unspecified date in November 2021. It was reported that patient received the first dose was given on 15-Feb-2021, second dose given on 18-Mar-2021 and third dose given on 07-Nov-2021. The first, second and third dose are mRNA-1273 vaccine. No further details on clinical course, lab test results and treatment received were reported. At the time of the report, Urinary tract infection, Immunisation reaction and Pain in extremity outcome was unknown. While event  lower extremity dysfunction had not resolved and Cardiac failure congestive had resolved. The benefit-risk relationship of mRNA-1273 COVID 19 Vaccine, is not affected by this report.