Tracking measles through wastewater is giving health officials a new window into where the virus is spreading.

At least 1,157 measles cases have been reported in the United States this year, according to a CNN tally using data from ...

Wastewater monitoring, a technique that gained prominence during the COVID-19 pandemic, may now offer a crucial early warning ...

Now, WastewaterSCAN has developed the first national wastewater monitoring program to detect measles in places where people are infected with the virus. It has the potential to identify possible ...

A wastewater sample from St. Mary’s County tested positive for measles virus on May 16, 2025, as part of a national pilot ...

SacSewer confirmed the presence of measles in its sewage surveillance testing samples on two additional days, May 22 and 24.

Plus, not everyone may get sick enough to know they have measles, so their cases may go unreported. Still others may get sick but not have access to health care and therefore never seek medical help.

Read More: Measles Vaccination Rates Are Plummeting Across the U.S. Wastewater monitoring bypasses those hurdles and can theoretically catch evidence of the virus much earlier. That could be ...

Wastewater monitoring helps communities spot rising outbreaks of influenza, COVID, RSV, and more. Our writer gets her feet ...