Fig. 2From: Airborne fungal spores and invasive aspergillosis in hematologic units in a tertiary hospital during construction: a prospective cohort studyIncidence of invasive aspergillosis in three hematologic wards during a 6 month constructionperiod. *Incidence: number of cases per 1000 person-days. IA, invasive aspergillosis. *Incidence: number of cases per 1000 person-days. a7,934 person-days during period 1. b15,050 person-days during period 2Back to article page