1859
To the best of our knowledge , this constitutes the first report of HBV lamivudine - resistant strains in therapy - na ve HBV - HIV co - infected patients .
 Chemical: lamivudine; Chemical: na; Disease: HBV - HIV co - infected
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: lamivudine, na, HBV - HIV co - infected 
Answer:
 Chemical: lamivudine; Chemical: na; Disease: HBV - HIV co - infected