Inclusion Criteria:  Invasive fusariosis diagnostic Proof of anti-fungic susceptibility according to EUCAST or CLSI, for the medicine used in the treatment of invasive fusariosis. Available data about anti-fungic medicines used: name of medicine, start and end date of treatment. Available information about clinical outcome of illness after 30 days, 6 weeks and 90 days (dead or alive). Only cases of invasive fusariosis proven or possible will be included.  Exclusion Criteria:  None