TABLE 1.

Recovery of bacteria from hands after palmar surface contaminationa

Bacterial strainAvg log10 recovery/hand (95% CI) (no. of hands)
Low inoculum (∼106 CFU/ml)High inoculum (∼108 CFU/ml)
Serratia marcescens 6.42 (6.34-6.53) (48)8.02 (7.94-8.10) (17)
Staphylococcus aureus 6.01 (5.91-6.11) (30)NA
Escherichia coli 5.81 (5.70-5.92) (30)NA
Shigella flexneri 6.03 (5.96-6.10) (32)NA
  • a All cultures were obtained from ATCC. NA, not applicable.