| chicken infectious anaemia vaccinal strain persists in the spleen and thymus of young chicks and induces thymic lymphoid cell disorders. | the chicken infectious anaemia virus (ciav) infection may induce immunosuppression and persistent infection. the use of vaccination in young chicks is still controversial due to its low immune efficiency. in order to verify the viral persistency of a vaccinal strain of ciav and its associated-lymphoid cell disorders, 54 1-day-old specific pathogen free chicks were vaccinated (ciav-vac(®); intervet, millsboro, delaware, usa) and haematologic examination, expression of viral vp3 gene, humoral resp ... | 2011 | 21812717 |