New methods of identification have led to an ever-increasing number of unus
ual pathogens causing infection in the immunocompromised host. Reports of a
ntimicrobial-resistant organisms in this group of patients are also increas
ing, with the result that new treatments must be sought urgently. New agent
s and new strategies for the development of antimicrobial agents are critic
al for future progress in the treatment of resistant organisms. Curr Opin I
nfect Dis 13:361-366. (C) 2000 Lippincott Williams & Wilkins.