Bacterial Pollution of Microphone in Recreational Places of Shenyang / 环境与健康杂志

Objective To investigate bacterial pollution of microphones used in recreational places and restaurants with KTV. Methods 59 microphone meshes used in 9 recreational places and 31 in 8 restaurants with KTV were chosen and tested from Jul to Aug, 2003. Total number of bacteria, coliform group, fungus count, Bacillus pyocyaneus and tubercle bacillus were examined. Assessment was made according to Hygienic standard for hotels (GB 9663-1966): Total number of bacteria