@CNN: A class of drugs found in flea medications for pets could help prevent infections in humans https://t.co/4Lpp2ZSTwR https://t.co/bmDqkMqKJs

@CNN: A class of drugs found in flea medications for pets could help prevent infections in humans https://t.co/4Lpp2ZSTwR https://t.co/bmDqkMqKJs