1415
In the 1970 s and ' 80 s , evidence suggesting that opioid drug addicts show increased risk of infection ( such as increased pneumonia , tuberculosis , and HIV / AIDS ) led scientists to believe that morphine may also affect the immune system .
 disease: pneumonia; disease: tuberculosis; disease: HIV / AIDS
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: 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: pneumonia; disease: tuberculosis; disease: HIV / AIDS