Water and Wastewater Terms Beginning P

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

pathogens

Organisms, such as bacteria, viruses, protozoa, or internal parasites, that can cause diseases, such as giardiasis, cryptosporidiosis, typhoid fever, cholera, or infectious hepatitis, in a host/person. Also called pathogenic organisms.