Comparison of chlorhexidine sterilized swabs and povidone-iodine swabs The disinfectants commonly used for disinfection of blood vessel indwelling needle cap are ethanol or iodophor. The sterilization mechanism of these two disinfectants is to coagulate and denaturate microbial proteins, thereby killing bacteria. In recent years, the clinical use of compound chlorhexidine ethanol started disinfectant.   In the three disinfection treatment groups, …