Page 543 - The Veterinary Laboratory and Field Manual 3rd Edition

480 Susan C. Cork

Table A1.1 continued

disease Agent Animals Mode of Clinical signs in Action/ prevention
involved transmission humans & notes
to humans
become sick within
months to years after
a sandfly bite.
Sarcocystis Sarcocystis spp. Protozoal Consumption of Myositis, Official meat
infection infected meat. non-specific. inspection, cook meat
of various well.
animals.
Toxoplasma* Toxoplasma gondii Many animals Ingestion There may be Pregnant women
can be of oocyts in birth defects in should avoid handling
intermediate cat faeces, un-born children if cat faeces/litter tray
hosts, ingestion the mother has no wastes or infected
definitive host of cysts in/ immunity, general soil, apply general
is the cat. handling malaise, flu-like hygiene when
infected meat. signs. handling meat, cook
meat well.
TREMATODES
Schistosoma* Schistosoma Many animal Contact via Blood and mucous Wash vegetables in
japonicum (also S. species. contaminated in faeces. Some clean water (filter
haemolyticum) water, forms reside in the and boil water). Avoid
percutaneous bladder and cause bathing in water
infection or oral. haematuria. where schistosomes
are known to be
present.
CESTODES
Beef Taenia saginata Cattle/human Consumption of Often none, tape Avoid contamination
tapeworm* lifecycle. cysts in infected worm segments in of pasture with
meat. faeces. human excrement.
Use of suitable
latrine, cook meat
well. The human is
the definitive host so
control should focus
on human hygiene
and behaviour.
Hydatids* Echinococcu Dog Ingestion of Hydatid cysts General hygiene.
granulosus tapeworm, cestode eggs anywhere in Routine worming of
intermediate in dog faeces, body especially dogs. Do not feed
stage in consumption liver, lungs, brain. dogs raw offal from
various wild of uncooked Enlarged abdomen. livestock. Wash fresh
and domestic produce (i.e. Slow to develop. produce well. Another
animals. vegetables and similar parasite,
berries etc.) Echinococcus
contaminated multilocularis is also
by canine an emerging zoonosis,
faeces. canids are the
definitive host but the
intermediate hosts are
usually rodents.

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