Whereas Helicobacter pylori can be many times more resistant to chlorine than Escherichia coli, both organisms are about equally susceptible to the disinfecting effect of chloramine.
Sedangkan Helicobacter pylori dapat berkali-kali lebih tahan terhadap klorin daripada Escherichia coli, kedua organisme sama-sama rentan terhadap efek desinfektan dari kloramina.