Table 2.
Comparison of the colony counts and bacteria kinds before and after annual cleaning and after PX-UV disinfection on surfaces.
| Name of the bacteria identified on surface of the table, balance, handle of trolley and doorknob | Staining | Counts identified before manual cleaning | Counts identified after manual cleaning | Counts identified after PX-UV | Characteristics |
|---|---|---|---|---|---|
| Aerococcus viridans | G+ | 3 | 0 | 0 | Generally acquired in hospital environment and pathogenic, can infect newborns[21,22] |
| Bacillus flexus | G+ | 2 | 0 | 0 | |
| Brevibacillus centrosporus | G+ | 4 | 0 | 0 | |
| Brevibacillus centrosporus | G+ | 0 | 2 | 0 | |
| Comamonas kerstersii | G− | 4 | 0 | 0 | |
| Corynebacterium glutamicum | G+ | 2 | 0 | 0 | |
| Corynebacterium stationis | G+ | 1 | 0 | 0 | |
| Jeotgalicoccus halotolerans | G+ | 0 | 1 | 0 | |
| Lactobacillus pantheris | G+ | 2 | 0 | 0 | |
| Lactobacillus paracasei ssp. paracasei | G+ | 1 | 1 | 0 | |
| Proteus mirabilis | G− | 2 | 0 | 0 | Causing urinary tract infection, nephrolith and cystic calculus, sepsis[16,17] |
| Proteus vulgaris | G− | 0 | 10 | 0 | |
| Staphylococcus nepalensis | G+ | 34 | 0 | 0 | Zoonotic potential[18] |
| Staphylococcus sciuri ssp. sciuri | G+ | 1 | 5 | 0 | pathogenic[19] |
| Staphylococcus succinus ssp. succinus | G+ | 0 | 17 | 0 | |
| Staphylococcus xylosus | G+ | 6 | 0 | 0 | Pathogenic and resistance to different kinds of antibiotics[20] |