53364
Most probably he had a streptococcal infection and subsequent rheumatic fever leading to valvular heart disease , heart failure and kidney failure .
 rheumatic fever, heart failure, kidney failure
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 rheumatic fever, heart failure, kidney failure