77846
In 1937 he was hospitalised with pneumonia , and while recovering , he stated that he had a profound spiritual experience that transformed his world view and led him to doubt the practices of modern " Western " agricultural science .
 pneumonia
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:
 pneumonia