Schistosoma haemotobium (Continued)
Figure 3-15. Stages of Schistosoma haemotobium. (concluded)
ORGANISM 4--Paragonimus westermani
GENERAL CHARACTERISTICS
COMMON NAME: Lung fluke.
GEOGRAPHICAL DISTRIBUTION: Asia and South America
PATHOGENISIS: Pulmonary lesions, fibrous tissue capsules, pleurisy, pneumonitis.
HABITAT: Lung.
INTERMEDIATE HOST
FIRST: Snail.
SECOND: Crab or crayfish.
RESERVOIR HOST: Piscivores (fish-eating animals).
INFECTIVE FORM: Metacercaria.
MODE OF INFECTION: Ingestion.
SPECIMEN OF CHOICE: Sputum (also feces).
MD0842
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