Abstract
Paragonimus gondwanensis n. sp. (hitherto undescribed) is reported from the lungs of naturally infected cat (Felis catus Linnaeus, 1758) and civet [Civettictis civetta (Schreber, 1776)] from Cameroon. Its description is based on the morphology of adult worms but also, on the dimension of fresh, living eggs released from naturally and experimentally infected cats and hospitalized patients (in the metraterm of worms, emitted in the beginning of prepatent period and laid by living worm), length of prepatent period and duration of eggs incubation. The presence of this species in human patients is confirmed
Highlights
The paragonimid species are known as an agent of paragonimiasis, the zoonotic parasite disease of humans and some mammals, reported from many subtropical and, especially, tropical countries
Pathological effects are due to the presence of adult worms and their eggs in the lungs and other tissues of hosts, to the movement of parasites through tissues, and to their toxic and allergenic metabolites
The symptoms of paragonimiasis, such as bronchial rales and haemoptysis associated with paroxysms of coughing, are sometimes similar to those of tuberculosis, leading to misdiagnosis
Summary
The paragonimid species are known as an agent of paragonimiasis, the zoonotic parasite disease of humans and some mammals, reported from many subtropical and, especially, tropical countries. This disease is stated in 12 countries of Africa. Pathological effects are due to the presence of adult worms and their eggs in the lungs and other tissues of hosts, to the movement of parasites through tissues, and to their toxic and allergenic metabolites. Humans and other mammals become infected when they eat raw or undercooked crustaceans harbouring metacercariae, or ingest uncooked meat of paratenic hosts such as pigs (Blair et al 1999a)
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