[Efficacy of various antimicrobial agents in the treatment of epidemic typhoid fever].

During superepidemic of a typhoid fever in Tadjikistan the efficiency of application in clinics and of 14 antimicrobial agents representing almost all basic chemical classes was investigated. Remarkable variation of frequency and type of S. typhi resistance to these preparations up to epidemic and especially in its process was demonstrated. The absence of absolute (100%) efficacy of the investigated agents in vivo and in vitro was shown. The reasons of low efficacy of etiotropic treatment of the patients with typhoid fever are analysed.