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Giardia (view source)

Revision as of 09:11, 7 January 2009

6 bytes removed , 09:11, 7 January 2009

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*Infections often asymptomatic in domestic animals

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**Can cause ~~cillous~~ atrophy leading to malabsorption

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**Can cause villous atrophy leading to malabsorption

**Infection can persist for weeks to months if not treated

==Epidemiology==

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*Infection via direct oral-faecal route or through contaminated water source (water-~~bourne~~)

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*Infection via direct oral-faecal route or through contaminated water source (water-borne)

*Wild animals may act as a source of infection for humans

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**Cysts need to be distinguished from pollen grains and yeasts

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*~~Cysts~~ excretion is intermittent

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*Cyst excretion is intermittent

**Faeces need to be collected over a 3 day period

*Cysts are '''heavy'''

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**Needs higher density ~~floatation~~ fluids

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**Needs higher density flotation fluids

**Do not float well in saturated sodium chloride solution

*Immunoassays

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**~~Detecting~~ cyst antigen in faeces

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**Detect cyst antigen in faeces

==Control and Treatment==

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**Minimise risk of human infection

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*Boil (or sterilise through other means) drinking water in regions of the world where drinking water may be ~~contmainated~~

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*Boil (or sterilise through other means) drinking water in regions of the world where drinking water may be contaminated

*Avoid uncooked foodstuffs

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*[[Vaccines - WikiBlood|Vaccination]]

**Killed trophozoites

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**~~Availbale~~ in the USA for cats and dogs

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**Available in the USA for cats and dogs

**Decreases the excretion and viability of cysts

**Decreases environmental pressure

Rmeikle

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