furniture, causing the resuspension of dust and fungal par-ticles. As shown in the plan of the new laboratory ( Fig. 1 ),
rooms 1 and 2 are also located near corridors and this specific
location may have played a role in the horizontal propagation
of fungal spores. In contrast, room 3 is located further back
and away of corridors, and contamination in this room was
lower ( Table 1). The fungus responsible for this airborne
contamination was Penicillium chrysogenum, one of the
most common fungi growing on building materials in western
Europe and frequently present in house dusts [6,13] .