歌舞厅话筒细菌污染调查［黄世明．四川都江堰市卫生防疫站都江堰６１１８３０］我们于１９９３年夏季对本市６３家歌舞厅的话筒进行了细菌污染调查。调查时，用浸以无菌生理盐水的棉拭对７６支话筒送话器上的金属网罩表面作涂抹采样，经培养计数，其平均细菌总数为２３０... Song and dance hall microphone bacteria contamination investigation [Huang Shiming. Dujiangyan Health and Epidemic Prevention Station, Dujiangyan City, Sichuan Province 611830] We conducted a bacterial contamination investigation into the microphones of 63 dance halls in the city in the summer of 1993. Investigation, the dip with sterile saline cotton swabs on the microphones on the surface of the metal mesh cover smear sampling, the number of culture, the average total number of bacteria is 230 ...