<prompt> Which fungal infection is commonest in neutropenia?CandidaHistoplasmaAspergillus nigerAspergillus fumigatus  <response>: Ans. is a i.e., Candida . Cell mediated immune responses, especially CD4 cells, are impoant in controlling mucocutaneous candidiasis. . The neutrophil is probably crucial for resistance to systemic candidiasis. 