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Loiasis life cycle
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Loiasis cycle
Adult Deer Fly
Chrysops, C. silacea, and
C. dimidiata
Onchocerca volvulus
Microfilarial larvae
the larvae are introduced through their bite.
Microfilarial larva live in
subcutaneous tissue and reproduce
sample from finger stick
the microfilaria circulate in peripheral blood and when not in circulation live in the lungs.
Sample from blood smear
Fly bite introduces micro filaria
into subcutaneous tissue
cause loiasis
Africian Eye Worm
Calabar swellings
Deer fly bite a human.
Deer fly injests microfilarial larva from blood meal of human.
Microfliaria live in gut of fly then move to the head to be introduced to humans through the bite of the fly.
They meet......
=
more microfilaria
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