Researchers discover why typhoid fever pathogen targets only humans
Thursday, November 15, 2012 - 17:31
in Biology & Nature
(Phys.org)—Salmonella typhi is a particularly nasty bacterium that targets only humans and causes typhoid fever, which kills hundreds of thousands of people annually. In a new study appearing in the Nov. 16 issue of the journal Science, Yale scientists explain how evolution shaped the pathogen to be so selective.