Guides
Cryptosporidium Outbreak Response Guidelines
Water Illness - Guide
May 11, 2009
Outbreak and case reporting data for cryptosporidiosis document increases in transmission of the parasite, Cryptosporidium, over the last 2 decades. This is in part due to the parasite’s low infectious dose, potential for zoonotic transmission, presence in the natural environment, small size that challenges water filtration systems, and its high resistance to chlorine disinfection.