Measles is surging in the US. Wastewater tracking could help.

January 23, 2026
This week marked a rather unpleasant anniversary: It’s a year since Texas reported a case of measles—the start of a significant outbreak that ended up spreading across multiple states. Since the start of January 2025, there have been over 2,500 confirmed cases of measles in the US. Three people have died. As vaccination rates drop…