Table 2 Disease patterns and organisms prevalent in different geographical locations^{4 8 9 12} .

Disease patterns	Old World organisms	New World organisms
Visceral leishmaniasis	L donovani (India, Kenya)	L chagasi
	L infantum (Southern Europe and North Africa)	L amazonensis
	L tropica
Post-kala azar dermal leishmaniasis	L donovani sensu stricto
Viscerotropic leishmaniasis	L tropica
Cutaneous leishmaniasis	L tropica	L mexicana species complex
	L major	L mexicana
	L aethiopica	L amazonensis
	L infantum	L venezuelensis
	L donovani	Viannia subgenus
		L (V) braziliensis
		L (V) panamensis
		L (V) guyanensis
		L (V) peruviana)
		L major-like organisms
		L chagasi
Mucosal leishmaniasis	Viannia subgenus
	L (V) braziliensis
	L (V) panamensis
	L (V) guyanensis)
	L amazonensis (see text)
Leishmaniasis recidivans	L tropica
	L major
Diffuse cutaneous leishmaniasis	L aethiopica	L mexicana species complex

(V): refers to the Viannia subgenus. The leishmanias were classified into the subgenera Leishmania sensu stricto (Old and New World) and Viannia (New World) by Lainson and Shaw in 1987.⁹