A needle exchange program at the Austin Community Outreach Center in Austin, Ind., is aimed at stopping spread of HIV. Darron Cummings/AP
When people started to show up to Dr. William Cooke’s primary care office in Austin, Ind., in 2014 with HIV, Cooke knew it was probably related to the region’s opioid epidemic. But what he and the rest of the public health community didn’t know was who they were missing or how long the HIV outbreak had been going on.
Now they’ve got a clearer picture — literally. In visualizations published in the Journal of Infectious Diseases, dots and lines define the constellations of Indiana’s HIV outbreak. Using genetic sequencing, they show how long the outbreak had been going on, connected people who hadn’t previously been linked by