Abstract: | 207 0f 210 kala az.ar cases occurred in North-west China in 1967-1970 had localized nontenderenlarged lymph glands, 50 0f them were admit-ted to a local hospitaL Autho.rs reviewed theirclinical symptoms and signs, laboratory findings,diagnosis, treatment and control. The epide-miologic survey in the endemic area revealeflthat Phlebotomus major wui is the main trans-mitting sandfly vector. The import,ance of Mon-golian gerbil Phlebom'y.s opimus as a wild ani-mal reservoir host of leishmaniasis is mentionedand discussed. |