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The fear of disease ( or the fear of threats to public health ) and the spread of panic dates back many centuries and it continues to exist into the 21st century due to the existence and spread of diseases such as AIDS .
 disease, AIDS
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:
 disease, AIDS