Summary
- Health officials are using wastewater testing to track the spread of H5N1 bird flu among U.S. dairy herds.
- Some researchers are questioning the reliability of the sewage assays and whether they can effectively detect bird flu.
- Different testing methods are being used, with some researchers using hybrid-capture sequencing to specifically identify H5N1 in wastewater.
- Research teams, including the CDC, have varied findings regarding the presence of bird flu in wastewater samples.
