The development of new strategies on chemotherapy of parasitic protozo
an diseases is one of the most exciting research fields of recent year
s. World Health Organization (WHO) reports have recognized that the ph
ysiology and biochemistry of protozoan parasites and the host-parasite
relation are the main targets for the design of new drugs that can be
used in the future against these diseases. (C) 1998 Elsevier Science
Inc.