a postal questionnaire was sent to sisters in charge of 200 ear nose and throat (ent) outpatient departments in the uk with and overall response rate of 60.5%.
decontamination with chlorine dioxide wipes was the most favoured method,used in 58% of the hospital that participated in this survey.
automated machines were also used in many places(34%).
only a few hospital used flexible sheaths (7%).
many departments of not used a separate protocol for high-risk patients.