Arthropod Diseases

Animals Involved

Mammals; rare in birds

Known Distributions

C hominivorax in South America, Caribbean; C bezziana in Asia, Africa, Middle East

Probable Means of Spreading

Flies lay eggs on host, larvae enter wounds (as small as a tick bite), mucous membranes

Clinical Manifestations in People

Painful, pruritic, foul­smelling, enlarging dermal and subdermal wounds or nodules, often with serosanguineous discharge; some infestations in cavities, including nasal cavity; larvae can invade living tissue, locally destructive (including bone, eye, sinuses, or cranial cavity); can be fatal if untreated

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