Acquired by walking barefoot - larvae penetrated skin. Strongyloidiasis - Strongyloides . The threadworm - unlike other helminths will multiple in human host. Obtained by drinking water contaminated with copepods. Occurs during droughts.
Skin blisters containing worms occur.
Medical symbols is the Guinea worm. Lymphatic vessel involvement Elephantiasis - Wuchereria . Mosquitos are vectors. Lymphatic vesses are blocked. Blindness and disfigurement occurs.