The leech as a potential virus reservoir.
D000818:Animals; D006691:Classical Swine Fever; D041981:Gastrointestinal Tract; D007865:Leeches; D013552:Swine; D013553:Swine Diseases; D014777:Virus Diseases / Q000635:transmission*
LEECHES; SWINE/diseases; VIRUS DISEASES/transmission