Type of filariasis
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Causative nematode
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Vectors
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Life cycle
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Illustrative image
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Lymphatic filariasis
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Wuchereria bancrofti
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- Culex as C. pipiens
- Aedes as A. aegypti
- Anopheles as A. arabinensis
- Coquillettidia.as C. juxtamansonia
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- Infected mosquito bite introduces the third level larva onto the skin and then enters to the blood through the wound.
- The larvae reside in the lymphatic vessels and mature to adult worms.
- Adult worm produce sheathed microfiliae that migrate to lymph and blood.
- Another mosquito ingests the microfiliae.
- Microfiliae grow up inside the mosquito till third stage larvae.
- In another bite to a host skin the mosquito introduces the larvae onto the skin.
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Brugia timori
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Brugia malayi
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Subcutaneous filariasis
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Loa loa filaria
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Mansonella streptocerca
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Onchocerca volvulus
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Serous cavity filariasis
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Mansonella ozzardi
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Mansonella perstans
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Life cycles of the roundworms causing filariasis: