| [tendencies in the epidemic process of dysentery in ryazan]. | in shigellosis caused by sh. sonnei and sh. flexneri the epidemic process was found to have considerable difference in the tendencies and pace of its development. shigellosis which dominated in the etiological structure at the period following 1966 was dysentery caused by sh. sonnei; it showed the tendency towards a decrease in morbidity rate. dysentery caused by sh. flexneri was second in respect to the frequency of its occurrence after 1966 and showed the tendency towards increase. the simulta ... | 1980 | 6449121 |