一双手在其不足指甲大小的手掌皮肤上聚集有３０００多种病原微生物，每个指甲缝内就可能有痢疾杆茵、肝炎病毒和沙眼衣原体等３０多种。手上的细菌用清水冲洗可减少８０％以上，用肥皂冲洗可减少９０％以上，所以提倡餐前便后洗手以及指甲勤修剪。一只碗筷据检测，饮食摊店未 A pair of hands gather more than 3000 kinds of pathogenic microorganisms on the palm of their hand, which is not enough finger nails. There may be more than 30 kinds of nail polish, hepatitis virus and Chlamydia trachomatis in each nail seam. Hand bacteria can be washed with water to reduce 80% or more, with soap to wash can be reduced by 90% or more, it is recommended to wash hands before meals and after nails ground pruning. According to a bowl of chopsticks test, food stalls shop not yet