Table 5 Bacterial species of Gram-negative bacteria isolated from highly contaminated liquid and bar soap samples (n = 30 and 2 respectively) of mobile handwashing stations (mHWS, n = 32)

Enterobacterales (n = 30)

Pluralibacter gergoviae

13

Klebsiella pneumoniae*

8

Enterobacter cloacae complex + E. cloacae*

1 + 1

Serratia rubidaea + S. marcescens*

2 + 1

Citrobacter freundii

1

Citrobacter koseri

2

No species identification

1

Pseudomonas aeruginosa (n = 11)

Pseudomonas aeruginosa*

11

Non-fermentative Gram-negative bacteria other than Pseudomonas aeruginosa (n = 4)

Pseudomonas stutzeri

1

Pseudomonas sp.

1

Alcaligenes faecalis*

2

Total

45