lymphatic filariasis Flashcards
what species cause lymphatic filariasis
wucheria bancrofti
brugia malayi
brugia timori
what are the vectors of wucheria bancrofti and their rhythm?
mosquito culex, anopheles = periodic
aedes = sub periodic
what are the vectors of brugia malayi and their rhythm
mosquito mansonia-periodic
mosquito anopheles subperiodic
what are the vectors of brugia timori and their rhytm
mosquito - anopheles, barbirostis periodic
what are the rsevour species of the lympatic filiariasis species
wucheria bancrofti = human only
brugia malyi = human only/monkeys and cats for sub periodic
brugia timori = human onlu
what is the distribution of wucheria bancrofti
east coast south amaerica
c africa
SEA
what is the distribution of brugia malayi
SEA scattered
what is the distribution of brugia timori
timor island in sea
what are the symptoms of lymphatic filariasis
direct damage lymphatic vessels
severest = elephantiasis
In endemic areas = `10% Women with swollen limbs and 50% men with genitial disease.
hydrocoele lymphodema with debilitating epsiodic ADL
adenolymphangtits; filariarl fevers
- renal and lymphatic damage
how many people are affected by lymphatic filariasis world wide
120 mil infected
>100 mil with bancrofti
how is lymphatic filariasis diagnosed?
monoclonal Ab based card test = drop of blood
what is the treatment for lymphatic filiariasis
chemo
ivermectin in ss africa
in combo with albendazole to prevent transmission
surgery - hydrocele to remove surplus tissue
what is the control of lymphatic filariasis
vector control using insecticides - resistance in culex
floating polystyrene granules in culex septic tanks
removing floating vegetation
bed nets treated with insecticides
what are the species which cause subcutanous filariasis
onchocerca volvulus
loa loa
mansonella streptocera
what are each of the subcutaneous filiariasis species transmitted by
onchocerca volvulus = black fly - simuilium
loa loa = tabanid/deer fly (chrysops)
mansonella streptocerca = midge cullicoides
