Complex sentence: In 1862, a committee was established to inquire into venereal disease (i.e. sexually transmitted infections) in the armed forces; on its recommendation the first Contagious Diseases Act was passed.
Split into simpler sentences: In 1862, a committee was established to inquire into venereal disease (i.e. sexually transmitted infections) in the armed forces. On its recommendation the first Contagious Diseases Act was passed.