[Cholera in the Republic of Azerbaijan].

The data characterizing the epidemiological aspects of cholera in Azerbaijan at the period of pandemics I-VI are presented and the specific epidemiological features of pandemic VII of this infection are considered. The study revealed that cholera repeatedly penetrated Russia through the territory of Azerbaijan. The existence of two variants of Vibrio cholerae eltor was substantiated: the epidemic variant having the gene of cholera toxin and the nonepidemic variant having no such gene, which caused, respectively, outbreak and sporadic morbidity in Azerbaijan.