Surface/equipment

Number of alleles detected

Before decontamination

After decontamination

RFU≥100

RFU≥50

RFU≥100

RFU≥50

Drawer of laboratory cupboard (outside surface)

8

10

2

6

Laboratory bench

10

15

0

0

On/off button laminar flow cabinet

6

12

0

2

Handle laboratory freezer

1

3

1

1

Handle laboratory fridge

2

4

1

1

Rack for tubes (empty)

5

13

1

5

Vortex

1

5

0

0

Electronic pipette

1

1

1

1

Table 2: Numbers of alleles detected on surfaces and equipment before and after decontamination with sodium hypochlorite.