Table 1.2.

Microbial diseases associated with polluted aquatic environs

Agent	Species	Disease
Bacteria	“Campylobacter jejune” “Escherichia coli” “E. coli O157:H7” “Helicobacter pylori” “Salmonella sp.” “Salmonella typhi” “Shigella sp.” “Vibrio cholera”	“Gastroenteritis” “Gastroenteritis” “Bloody diarrhea, hemolytic uremic syndrome” “Abdominal pain, peptic ulcers, gastric cancer” “Salmonellosis, gastroenteritis, diarrhea” “Typhoid fever” “Dysentery” “Cholera”
Helminths	“Ascaris lumbricoides (round worm)” “Clonorchis sinensis (liver fluke)” “Fasciola (liver fluke)” “Fasciolopsis buski (intestinal fluke)” “Opisthorchis viverrini” “Schistosoma (blood fluke)” “Trichuris (whim worm)” “Taenia (tape worm)”	“Ascariasis” “Clonorchiasis” “Fascioliasis” “Fascioloidiasis” “Opisthorchiasis” “Schistosomiasis (bilharzia)” “Trichuriasis” “Taeniasis”
Protozoa	“Balantidium coli” “Cryptosporidium parvum” “Cyclospora cayetanensis” “Entamoeba histolytica” “Giardia lamblia”	“Balantidiasis (dysentery)” “Cryptosporidiosis” “Persistent diarrhea” “Amoebiasis (amoebic dysentery)” “Giardiasis”
Viruses	“Adenovirus” “Astrovirus” “Calicivirus” “Coronavirus” “Eneroviruses” “Echovirus” “Poliovirus” “Hepatitis A and E” “Parvovirus” “Norovirus” “Rotavirus” “Coxsackieviruses”	“Respiratory disease and eye infections” “Gastroenteritis” “Gastroenteritis” “Gastroenteritis” “Gastroenteritis” “Fever, rash, respiratory and heart disease, aseptic meningitis” “Paralysis, aseptic meningitis” “Infectious hepatitis” “Gastroenteritis” “Gastroenteritis” “Gastroenteritis” “Herpangina, aseptic meningitis, respiratory illness, fever, paralysis, respiratory, heart and kidney disease”