Genes don’t cause epidemics. You need an environmental toxin,” Kennedy said in April when announcing his department’s new ...

Scientists have documented the way a single gene in the bacterium that causes bubonic plague, Yersinia pestis, allowed it to survive hundreds of years by adjusting its virulence and the length of time ...

Newly sequenced ancient genomes from Yunnan, China, have shed new light on human prehistory in East Asia. In a study ...

Scientists have documented the way a single gene in the bacterium that causes bubonic plague, Yersinia pestis, allowed it to ...

Alterations to a single gene in the plague bacterium's genome have shed light on a method the germ has used to survive and ...