The TWiMsters explain why untreatable typhoid fever might be on the way, and the evolution of fungal virulence in tropical frogs. Hosts:  Vincent Racaniello, Michael Schmidt, and Elio Schaechter. Subscribe to TWiM (free) on iPhone, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app. Become a patron of TWiM. Links for this episode Extensively drug resistant Salmonella typhi (mBio) A Gathering Storm (mBio) Typhoid vaccine recommendations (CDC) Changes in dynamics of frog fungal disease (Science) Send your microbiology questions and comments (email or recorded audio) to twim@microbe.tv