Multiple serotype infection was found to be more frequent in immunocompromised patients (30%) than in immunocompetent patients (5%) (Gray et al., 2007). Our group also experienced sequential adenovirus infection of serotype 14 hemorrhagic cystitis and serotype 35 disseminated infection after cord blood transplantation (Abe T et al., 2009). Serotype 14 is a group B adenovirus, which is associated with pharyngo-conjunctival fever (Tuck et al., 1957). This infection was infrequently reported as an acute respiratory disease in military recruits (Van der Veen & Kok, 1957, Hierholzer & Pumarola, 1976, Metzgar et al., 2007), and recently caused pediatric lower airway disease in.