Any benefit does not appear to be due to coverage of atypical pathogen co-infection because addition

题目

Any benefit does not appear to be due to coverage of atypical pathogen co-infection because addition of a macrolide to a quinolone also had a mortality benefit.
1 请问Any benefit does not appear to
2 为什么用any而不用some或few?
3 这句话怎么翻译?

答案