1. 
   lentogenic
   Denoting the virulence of a virus capable of inducing lethal infection in embryonic hosts after a long incubation period and an inapparent infection in immature and adult hosts; the term is used in characterizing Newcastle disease virus, particularly strains used as vaccines administered in water or...
   Found op http://www.mondofacto.com/facts/dictionary?lentogenic
   
   
2. 
   lentogenic
   Type: Term Pronunciation: len′tō-jen′ik Definitions: 1. Denoting the virulence of a virus capable of inducing lethal infection in embryonic hosts after a long incubation period and an inapparent infection in immature and adult hosts; the term is used in characterizing Newcastle dise...
   Found op http://www.medilexicon.com/medicaldictionary.php?t=48837
   
   

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