Emergence of an extensively drug-resistant Salmonella enterica serovar typhi clone harboring a promiscuous plasmid encoding resistance to fluoroquinolones and third-generation cephalosporins

Elizabeth J. Klemm, Sadia Shakoor, Andrew J. Page, Farah Naz Qamar, Kim Judge, Dania K. Saeed, Vanessa K. Wong, Timothy J. Dallman, Satheesh Nair, Stephen Baker, Ghazala Shaheen, Shahida Qureshi, Mohammad Tahir Yousafzai, Muhammad Khalid Saleem, Zahra Hasan, Gordon Dougan, Rumina Hasan