15 years of wastewater sampling built a phage library.

Drug-resistant gut bacteria cause severe infections in people with weakened immunity.

Untreated wastewater yields phages that punch through bacterial walls and cannot infect human cells.

The University of Colorado Anschutz team is studying combining phages with drugs already approved by US regulators.

How each outlet framed it
Phys.org
details 15-year phage library targeting intestinal bacteria; frames resurgence as response to antibiotic-resistance wave

Sources: Phys.org