Other solutions like benzalkonium chloride and chlorhexidine gluconate (a surgical disinfectant) are less effective. In a study in Hong Kong, saliva samples were collected an average of two days after the start of hospitalization.
Uoevu mwingine, kama vile benzalkonium chloride na chlorhexidine gluconate (kemikali ya upasuaji), hazifanyi kazi vizuri. Katika utafiti huko Hong Kong study, sampuli za mate zilichukuliwa kwa wastani wa siku mbili baada ya kuanza kulazwa hospitalini.