contamination

Infectious disease expert Dr. Christopher Ohl describes Asheville's aging water infrastructure and backup system, both of which were submerged following Helene. He outlines the many uses of water — hydration, sanitation, cooling for hospitals and schools — disease risks following major floods, and health-related impacts of major flooding on individuals and health providers.

The City of Greensboro is moving forward with upgrades at one of its major water treatment plants.

Hurricane Harvey dumped 50 inches of rain on parts of Houston. Scientists are now trying to identify contaminants spread by the storm, including those in mud at the bottom of the Houston Ship Channel.

NIH Director Francis Collins has stopped research at two leading labs for now. But an independent board of experts wants even more oversight to ensure that patient safety is the top priority.