Jenny Q’s Reviews > The Vatican Princess: A Novel of Lucrezia Borgia > Status Update

Somebody help me out here, because I just can't believe that Gortner would not know his history. The medical community did not discover that mosquitoes carry disease until the late 1800s. So how does Lucrezia know this in 1493? I had this same quibble with the TV show. i can find no reference to an earlier Italian discovery. Am I missing something?