| environmental surveillance of filamentous fungi in three tertiary care hospitals in greece. | the environmental fungal load (fl) of three hospitals was studied in representative regions in greece (thessalonika, northern greece, athens, central greece and heraklion, southern greece). air, surfaces and tap water from high-risk departments were sampled monthly during one year. air fl was [median (range)] 10.6 (1.2-37), 5.5 (3-28.8) and 7.7 (3.1-12.1) cfu/m(3) at thessalonika, athens and heraklion, respectively. air fl was lower in winter and higher in summer and autumn but seldom above acce ... | 2002 | 12419271 |