A

• Acanthamoeba (CDC)
• Adenoviruses (CDC, CDC-general)
• Aeromonas hydrophila (FDA)
• Algal Blooms, Harmful (HABs) (CDC)
• Amebiasis (CDC)
• Anemia (WHO)
• Arsenic (CDC-ATSDR, WHO)
• Arsenicosis (CDC-ATSDR, WHO)
• Ascariasis * (CDC, WHO, WHO-general)
• Ascaris lumbricoides * (CDC, WHO, WHO-general)
• Astrovirus (CDC-general)
• Atrazine (CDC-ATSDR)

B

• Balamuthia mandrillaris (CDC-DPDx, WHO)
• Benzene (CDC-ATSDR)
• Bilharzia (CDC, WHO, WHO-PPC) (see also Schistosomiasis)
• Boating (CDC)
• Burkholderia cepacia complex (CDC)
• Buruli Ulcer (WHO)

C

• Campylobacter (CDC, CDC-water, WHO)
• Campylobacteriosis (CDC, CDC-water, WHO)
• Cercarial Dermatitis (CDC)
• Chlamydia trachomatis * (CDC, WHO) (see also Trachoma)
• Chloramines (CDC, EPA)
• Chlorine (CDC, CDC-ATSDR)
• Cholera (CDC, WHO)
• Coliform bacteria (EPA)
• Copper (CDC-ATSDR)
• Coxsackievirus (A16, B) (Enterovirus) (CDC)
• Cryptosporidiosis (CDC, CDC-water)
• Cryptosporidium (CDC, CDC-water)
• Cyanobacteria (CDC, WHO)
• Cyclospora (CDC)
• Cyclosporiasis (CDC)

D

• Dengue Fever ** (CDC, WHO)
• Dermatitis (CDC)
• Diarrhea (CDC, WHO)
• Diarrhea, Chronic (CDC, WHO)
• Diarrhea, Travelers’ (CDC)
• Dracunculiasis (CDC, WHO)
• Dracunculus medinensis (CDC, WHO)
• Drowning (CDC)

E

• Eastern Equine Encephalitis ** (CDC)
• Echovirus (Type 9, 13, 30) (Enterovirus) (CDC)
• Entamoeba histolytica (CDC) (see also Amebiasis)
• Enterovirus (CDC, CDC-water)
• Entrapment (CDC)
• Escherichia coli 0157:H7 / "E. coli" (CDC, CDC-water, EPA, WHO)

F

• Fasciola gigantica (CDC, WHO)
• Fasciola hepatica (CDC, WHO)
• Fascioliasis (CDC, WHO)
• Fasciolopsiasis (CDC)
• Fasciolopsis buski (CDC)
• Fluoride (CDC-ATSDR, CDC, WHO)
• Fluorosis (CDC-ATSDR, CDC, WHO)
• Folliculitis (CDC)

G

• Giardia (CDC, CDC-water)
• Giardiasis (CDC, CDC-water)
• Guinea Worm Disease (CDC, WHO) (see also Dracunculiasis)

H

• Harmful Algal Blooms (HABs) (CDC)
• Helminthiasis * (WHO, WHO-PPC)
• Hepatitis A (CDC, CDC-water, WHO)
• Hepatitis E (CDC, WHO)
• Hookworm * (CDC, WHO-general)
• Hot Tub Rash (CDC)

I

• Injury, Water-related (CDC)

J

• Japanese Encephalitis ** (CDC, WHO)

K

• Keratitis (CDC)

L

• La Crosse Encephalitis ** (CDC)
• Lead (CDC-ATSDR, CDC-water)
• Lead Poisoning (CDC-ATSDR, CDC-water)
• Legionnaires’ Disease (CDC)
• Legionella (CDC)
• Legionellosis (CDC)
• Leptospira (CDC, WHO)
• Leptospirosis (CDC, WHO)
• Lice * (CDC)
• Lymphatic filariasis * (CDC, WHO)

M

• Malaria ** (CDC, WHO)
• Malnutrition (WHO)
• Marine Toxins (CDC, CDC-general)
• Meningitis, Viral (CDC)
• Mercury (CDC-ATSDR)
• Methaemoglobinaemia (WHO)
• Microsporidiosis (CDC)
• Microsporidium (CDC)
• Molluscum contagiosum (CDC)
• Mycobacterium avium complex (CDC)
• Mycobacterium ulcerans (WHO)

N

• Naegleria fowleri (CDC)
• Naegleria Infection (CDC)
• Nitrate (CDC-water, EPA)
• Nitrite (CDC-ATSDR, EPA)
• Norovirus (CDC, CDC-water)

O

• Onchocerciasis ** (CDC, WHO)
• Otitis Externa (CDC)

P

• Plesiomonas shigelloides (FDA)
• Pontiac Fever (CDC)
• Pseudomonas (CDC)

Q

• No currently listed diseases

R

• Radionuclides (EPA)
• Radium (CDC-ATSDR, EPA)
• Radon (CDC-ATSDR, CDC-water)
• Rift Valley Fever ** (CDC, WHO)
• Ringworm * (WHO, NIH) (see also Tinea)
• River Blindness ** (CDC, WHO) (see also Onchocerciasis)
• Rotavirus (CDC, CDC-water, WHO)

S

• Salmonella (CDC, CDC-water, WHO)
• Salmonella typhi (CDC, WHO-water, WHO)
• Salmonellosis (CDC, CDC-water, WHO)
• Scabies * (CDC, WHO)
• Schistosoma (CDC, WHO)
• Schistosomiasis (CDC, WHO)
• Shigella (CDC, CDC-water, WHO)
• Shigellosis (CDC, CDC-water, WHO)
• Soil transmitted helminths * (WHO, WHO-PPC)
• St. Louis Encephalitis ** (CDC)
• Staphylococcus aureus (FDA, CDC)
• Swimmer's Ear (CDC) (see Otitis Externa)
• Swimmer's Itch (CDC) (see also Cercarial Dermatitis)

T

• Tinea * (WHO, NIH) (see also Ringworm)
• Toxins, Marine (CDC, CDC-general)
• Toxoplasma gondii (CDC)
• Toxoplasmosis (CDC)
• Trachoma * (CDC, WHO)
• Travelers' Diarrhea (CDC)
• Trichuris trichuria (whipworm) * (CDC, WHO-general)
• Typhoid Fever (CDC, WHO-water, WHO)

U

• No currently listed diseases

V

• Vibrio cholerae (CDC, WHO)
• Vibrio cholerae non-01 (FDA)
• Vibrio parahaemolyticus (CDC, FDA)
• Vibrio vulnificus (CDC, FDA)
• Viral Gastroenteritis (CDC)

W

• West Nile Virus ** (CDC)
• Western Equine Encephalitis ** (CDC)

X

• No currently listed diseases

Y

• Yellow Fever ** (CDC, WHO)

Z

• No currently listed diseases