To the Editor: The recent study by Dhadwal et al1 has a number of weaknesses which merit discussion. The study appears to have been initiated by a “perceived increase in crude infection rates” but the organisms responsible for this increase were not presented. Unless there was a high incidence of infection with resistant organisms such as methicillin-resistant Staphylococcus aureus (MRSA) prior to study commencement, the routine use of vancomycin in a multi-drug …