Update of primary Helicobacter pylori resistance to antimicrobials in Brussels, Belgium.

This study aimed to follow the trend of primary antimicrobial resistance in Helicobacter pylori isolates obtained from several centers in Brussels. We observed increasing rates of primary resistance to macrolides (10.5% to 18%) to nitro-imidazoles (28% to 40%) and to fluoroquinolones (12.4% to 22.8%), respectively, from 2008/2009 to 2016.