Tropical medicine's fundamental task is to improve health in the tropi
cs. By adopting primary health care strategies, it satisfies the real
needs of the population while doing research, improving its effectiven
ess and social impact. We ilustrate this with some examples drawn from
our experience, where this potentiation is evident. A sanitary dermat
ology study, based on health auxiliaries and promoters, encompassed a
whole Jungle Province, with 68 977 km2 and 103 681 inhabitants. It res
ulted in an excellent relationship with the populations, and findings
of significance for early diagnosis and control of hanseniasis and oth
er diseases. It also facilitated an extension of activities to include
the entire Amazonian Region, with specific concentration on training
of the health personnel. Clinico-epidemiological studies on leshmanias
is in Andean valleys incorporated acitivities of sanitary education, h
ealth care, aspects of community development, etc., and extended into
other geographic areas. Migrant workers from high-altitude communities
in Cusco who have been to the Jungle and acquired cutaneous or mucocu
taneous leismaniasis formed Patient Associations. The latter now recei
ve support for their health and development needs from health authorit
ies and many institutions; our Institute contributes with improved the
rapeutic procedures and further epidemiologic studies to orient preven
tive and control measures.