Skip to main content
Back to Show
PBS News Hour

How scientists use wastewater to track the spread of COVID

As the newest dominant COVID subvariants BQ.1 and BQ.1.1 emerge, scientists are looking beyond traditional methods to track its spread. One important tool in their arsenal is wastewater surveillance. Special correspondent Cat Wise reports from California, one of the first states to test wastewater for COVID.

Support Provided By
Season
March 11, 2025 - PBS News Hour full episode
57:46
March 11, 2025 - PBS News Hour full episode
March 10, 2025 - PBS News Hour full episode
57:46
March 10, 2025 - PBS News Hour full episode
March 9, 2025 - PBS News Weekend full episode
24:09
March 9, 2025 - PBS News Weekend full episode
March 8, 2025 - PBS News Weekend full episode
24:09
March 8, 2025 - PBS News Weekend full episode
March 7, 2025 - PBS News Hour full episode
57:46
March 7, 2025 - PBS News Hour full episode
March 6, 2025 - PBS News Hour full episode
57:46
March 6, 2025 - PBS News Hour full episode
March 5, 2025 - PBS News Hour full episode
56:45
March 5, 2025 - PBS News Hour full episode
March 4, 2025 - PBS News Hour full episode
57:46
March 4, 2025 - PBS News Hour full episode
March 3, 2025 - PBS News Hour full episode
57:46
March 3, 2025 - PBS News Hour full episode
March 2, 2025 - PBS News Weekend full episode
24:08
March 2, 2025 - PBS News Weekend full episode
March 1, 2025 - PBS News Weekend full episode
24:08
March 1, 2025 - PBS News Weekend full episode
February 28, 2025 - PBS News Hour full episode
57:46
February 28, 2025 - PBS News Hour full episode
Active loading indicator