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Health Hazards of Wastewater

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Pathogens in Wastewater

Wastewater contains numerous pathogens which are of great public health concern. Some of the diseases associated with wastewater include:

This digitally-colorized scanning electron micrograph (SEM) depicted the dorsal (upper) surface of a Giardia protozoan that had been isolated from a rat’s intestine. Some of the identifying morphologic characteristics include pairs of thread-like flagella that facilitate motility, and a ventolateral flange that appears as a “ruffle” around the anterior portion of the organism. Pairs of flagella seen here include an anterior, posterior-lateral, and caudal pairs. (CDC/ Dr. Stan Erlandsen; Dr. Dennis Feely)

This digitally-colorized scanning electron micrograph (SEM) depicted the dorsal (upper) surface of a Giardia protozoan that had been isolated from a rat’s intestine. Some of the identifying morphologic characteristics include pairs of thread-like flagella that facilitate motility and a ventrolateral flange that appears as a “ruffle” around the anterior portion of the organism. Pairs of flagella seen here include an anterior, posterior-lateral, and caudal pairs. (CDC/ Dr. Stan Erlandsen; Dr. Dennis Feely)

Notes and Image Credits:

Header Image: This illustration depicts a three-dimensional (3D) computer-generated image of a number of rod-shaped, drug-resistant Shigella bacteria. The artistic recreation was based upon scanning electron micrographic imagery. Note that the exterior of the Shigella bacterium is fimbriated, covered by numerous thin, hair-like projections, imparting a furry appearance. (CDC)