What wastewater says about disease — including measles — in Utah
By Lois M. Collins
Published on March 21, 2026.
The Utah Public Health Laboratory is among the nation's most capable and sophisticated in its ability to detect infectious diseases such as measles, particularly in the Wasatch Front area. Wastewater surveillance is a crucial tool for public health officials to identify infectious diseases early in life. The Centers for Disease Control and Prevention launched a National Wastewater Surveillance System in 2020 to detect SARS-CoV-2, the virus responsible for the pandemic. The state's wastewater surveillance map can also be used to alert public health authorities about measles cases, which can spread days before symptoms and linger in the air for several hours. Utah's public health lab can test for various types of infectious disease, including measles, Influenza A and B, and respiratory syncing virus (Poscyt). The state has had 443 confirmed cases of measles in this outbreak, which began in 2025 and is ongoing.
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