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Our conversation with WHO's Dr. Adrianus Vlugman continues. See what he has to say about pathogen exposure for wastewater operators.

In our continuing conversation with communicable disease expert Dr. Adrianus Vlugman, we discuss the threat of pathogens in our water supply and the challenges faced by our nation's water and wastewater experts.

Manhole covers and sewer grates are being stolen from city streets. This is not only costly for municipalities, but dangerous for passersby.

The first of a four-part series explores Dr. Vlugman's introduction to public health and reveals some staggering statistics on water-related diseases.