不久前,我们医院保健科的医生到本市某中学为初一4个班188名学生进行健康体检,查出有5名学生患了甲型肝炎、12名学生患了乙型肝炎。负责病因调查的防疫医生发现,这些学生平时接触并不密切,但在暑假中经常在一家网吧玩电脑游戏,且在同几台电脑上轮流操作。防疫医生指出,这些学生患甲、乙型肝炎,电脑的键盘很可能是传播疾病的“元凶”。 我认识的一位在公司当职员的芬小姐最近为一件事感到十分的费解,她对我说:“每次与我同一办公室的依小姐感冒之后,我也会莫名其妙地跟着感冒。可我们却很少接 Not long ago, doctors from our hospital health department went to a certain high school in our city for a healthy examination of 188 students in the first 4 classes. It was found that 5 students had hepatitis A and 12 students had hepatitis B. The immunization doctors responsible for the etiological investigation found that these students did not usually get in touch with each other. However, they often play computer games in an Internet cafe during the summer holidays and operate on the same computers. Epidemic doctors pointed out that these students suffering from hepatitis A, hepatitis B, the computer’s keyboard is likely to be the “culprit” of the spread of the disease. Miss Fen, a company employee I know, has been very puzzled over a recent incident and she said to me: "Every time I miss Missy, who lives in the same office with me, I will somehow follow the flu. But rarely pick