One-third of the Coriolis liquid volume (equivalent to 1 m3 of
air) and 500 mL of the suspension for the swabs were spread on
malt extract agar plates (MEA, Merck, Germany) from the same
batch. All MEA plates were incubated at 25 -
C and fungal
colonies were counted on days 3 and 5 (Figure 1).