By sequencing ancient Salmonella enterica isolates, investigators retraced the history of the bug in humans transitioning to pastoral and agricultural lifestyles.
Sequencing of typhoid fever outbreak samples in Pakistan indicates extensive drug resistance arose when a local multidrug resistance strain acquired a new plasmid.
CNN reports that a US Food and Drug Administration document says Johnson & Johnson's SARS-CoV-2 vaccine meets the requirements to receive an Emergency Use Authorization.
In Cell this week: analysis of fitness patterns among SARS-CoV-2 isolates, single-cell transcriptome analysis of immune features in COVID-19, and more.