Sequencing of typhoid fever outbreak samples in Pakistan indicates extensive drug resistance arose when a local multidrug resistance strain acquired a new plasmid.
Different clades of Salmonella enterica serovar Enteritidis are behind the self-limiting and invasive diseases the bacterium causes in different parts of the world.
The researchers sequenced bacteria samples sourced from all over the world to reconstruct a phylogenetic tree and learn how it evolved to have multidrug resistance.
According to Stat News, the partial government shutdown in the US could soon affect the ability of the Food and Drug Administration to review new drugs.
CNN reports that people's genes tend to have a greater influence on their risk of developing disease than their environment, but it varies by phenotype.
