DNA sequencing reveals that the virus responsible for the recent outbreak in the Americas originated in Brazil in 2014 and circulated undetected for months before the first cases were reported.

Sequence analysis of 41 viral strains reveals more than a half-century of change. 

January 2014 Scientist to Watch Benjamin tenOever discusses his research.

Professor, Microbiology, Icahn School of Medicine at Mount Sinai. Age: 36

A genetic analysis that tracks the evolution of pathogens helped incriminate a Spanish anesthetist who infected hundreds of patients with hepatitis C.

Researchers track the evolution of HIV in a single patient to understand what drives the production of broadly neutralizing antibodies.