[Laboratory errors for identification of the escherichia coli strains of the serological groups O6 and O25 as acute intestinal infections.].

Were studied the genes encoding the virulence factors of 221 strains: E. coli O:H (194) and E. coli O:H (27), isolated in 2014-2018 from stool samples of children and adults examined according to epidemic indications.

[Antimicrobial resistance and clinical significant resistance mechanisms of Salmonella isolated in 2014-2018 in St.Petersburg, Russia.].

The article presents the results of antimicrobial resistance monitoring of Salmonella isolated from children and adults with diarrhea in St. Petersburg in 2014-2018. In 746 isolates of 42 serovars more than 90,0% belonged to three: S.

[Etiology of acute bronchitis in adults].

A total of 126 adult patients with acute bronchitis were subjected to microbiological, virological and immunological examination. Influenza and other acute respiratory viral infections were detected in 104 (82.5%) cases of acute bronchitis.