A patient with respiratory allergies develops a persistent c…

A patient with respiratory allergies develops a persistent cough and fever.  The fungus that is isolated from this patient displays numerous macroconidia which chain together, with both longitudinal and transverse cross-walls and dark pigmentation.  The most likely organism involved is (M27-17; M27-21; Level 3):  

A Davidsohn differential demonstrated agglutination with she…

A Davidsohn differential demonstrated agglutination with sheep red blood cells after adsorption with guinea-pig kidney cells but not after adsorption with beef red blood cells. In addition, the serum was anti-VCA IgM negative, anti-VCA IgG positive, anti EA-IgG positive, and anti-EBNA positive. What is the most likely diagnosis: