Cryptosporidium waterborne parasite

Cryptosporidium is a waterborne parasite found widely distributed around the world including South Africa.  When ingested it can cause an unpleasant illness referred to as cryptosporidiosis.  Infection is transmitted by tiny spore or egg-like cells called oocystsCryptosporidium oocysts are small, roughly spherical in shape and about 4 to 6 micrometer in diameter. Read more

Giardia in water supplies

Giardia is a waterborne parasite found widely distributed around the world including South Africa.  It is found in man, dogs, pigs, sheep, beavers and in many other domestic mammals and birds (AWWA, 1999: Cox 1991).  Giardia cysts are found in large numbers in untreated and treated sewage effluent (Robertson et.al 1995).  When ingested it can cause an unpleasant illness referred to as giardiasis (often referred to as travellers diarrhoa).  Infection is transmitted by tiny spore-or egg-like cells called cysts.  Giardia cysts are oval in shape with a length of 9-12 micrometers (FWR ROCK document 2002). Read more