Among major health hazards endemic in the country in the 1970s were typhoid and paratyphoid, infectious hepatitis, leishmaniasis, rabies, meningitis, schistosomiasis, venereal diseases, and the principal childhood ailments.
His studies focused mainly on the infectious (confirmation of the etiology of the leishmaniasis parasite, "vaccine therapy" of typhoid, paratyphoid, melitense infection) and nutrition (infant nutrition disorders).
