Pathogens at the Human Environment 7
sludge, onto agricultural lands can act as a new route for transmission of
waterborne pathogens.
Table 1. Diseases, agents and symptoms associated
with water-and-foodborne disease. Adapted from [29]
Disease Agent Symptoms
Acute diarrhoea Campylobacter jejuni Fever, diarrhoea, bloody stools
Salmonella (non-
typhoid)
Mild gastroenteritis, acute diarrhoea, fatal
septicaemia (blood poisoning)
E. coli Fever, diarrhoea, bloody stools, uraemic
syndrome
Shigella Fever, diarrhoea, bloody stools
Vibrio vulnificus Vomiting, diarrhoea, and abdominal pain
Yersiniosis Yersinia enterocolitica Fever, gastroenteritis with diarrhoea,
abdominal discomfort
Listeriosis Listeria monocytogenes meningitis, meningoencefalitis, endocarditis,
pneumonia
Brucellosis Brucella chills, headache, low back pain, joint pain,
malaise, occasionally diarrohea
Botulism Clostridium botulinum Double vision, blurred vision, drooping
eyelids, slurred speech, difficulty swallowing,
dry mouth, and muscle weakness
Gastroenteritis Clostridium perfringens Diarrhoea, abdominal cramps, and nausea
Typhoid fever Salmonella typhi Fever, headache, appetite loss, nausea,
diarrhoea, vomiting, abdominal rash
Cholera Vibrio cholerae Watery diarrhoea, vomiting, occasional
muscle cramps
Legionnaire’s
Disease, Pontiac
Fever
Legionella pneumophila Malaise, headache, fever, muscle aches,
pains, chills, cough, pulmonary symptoms
Viral Hepatitis
Hepatitis A and E viruses Fever, chills, anorexia, abdominal
discomfort, jaundice, hepatitis, headache
Gastroenteritis
Norovirus, Rotavirus,
Adenovirus,
Picornavirus,
Astrovirus
Diarrhoea, discomfort, vomiting, malaise,
headache,
fever, muscle aches, pains, chills, cough,
pulmonary symptoms
Staphylococcal
food poisoning
Staphylococcus aureus Nausea, vomiting, stomach cramps, and
diarrohea
Cryptosporidiosis Cryptosporidium parvum Diarrhoea, abdominal discomfort
Giardiasis Giardia lamblia Diarrhoea, abdominal discomfort
Cyclosporiasis Cyclospora Loss of appetite, weight loss, stomach
cramps/pain, bloating, increased gas, nausea,
and fatigue
Toxoplasmosis
Toxoplasma gondii
Flu-like symptoms, swollen lymph glands, or
muscle aches and pains, congenital defects
(brain and eye) if mother infected
Amaebiasis Entamoeba histolytica Diarrhoea, abdominal discomfort
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