Before Disinfection

After Disinfection

Remaining Contamination

Sampling Sites

Collected

Positive (%)

Collected

Positive (%)

(%)

Hands of technician 2

21

8 (38.1)

21

1 (4.8)

Hands of technician 1

21

7 (33.3)

21

0

3/81 (3.7)

Hands of the secretary

18

5 (23.8)

18

1 (5.5)

Hands of the laboratory assistant

21

4 (22.2)

21

1 (4.8)

Sinks in the manipulation room

21

14 (66.6)

-

-

Laboratory bench

21

13 (61.9)

21

0 (0)

Reagent fridge door handle

21

10 (47.6)

-

-

Staff mobile phone

21

9 (42.8)

-

-

Inside the autoclave (before decontamination)

21

9 (42.8)

-

-

Microscope stage controls and mechanical stage

21

7 (33.3)

-

-

Sampling room handle

21

6 (28.5)

-

-

Manipulation room handle

21

6 (28.5)

-

-

Microscope (fine and coarse) adjustments

21

6 (28.5)

-

-

Bleach tray for soiled objects

21

5 (23.8)

-

-

Total

291

109 (37.4)

102

3 (2.9)