Objective To investigate the microbes on the surface of mobile communications devices(MCDs)and the effectiveness of disinfection. Methods Five hundred MCDs(experimental group)were collected from a randomly selected population,and 100 new MCDs served as a control group.Swabs were taken from commonly touched areas of the MCDs before and after disinfection.Total bacteria were counted,and swabs were tested for coliform bacteria,pathogenic bacteria,hepatitis B virus,and enterovirus.Owners of the MCDs were also s...