Assessing the global risk of typhoid outbreaks caused by extensively drug resistant Salmonella Typhi
Abstract Since its emergence in 2016, extensively drug resistant (XDR) Salmonella enterica serovar Typhi (S.Typhi) has become the dominant cause of typhoid fever in Pakistan.The establishment of sustained XDR S.Typhi transmission in other countries represents a major public health threat.We show that the annual volume of air travel from Pakistan st