There were a total of 813 patients [410 (50.4%) were female, of which 51 (12%) were pregnant]. The mean age was 38.5 years (SD 22.8) and 24% were aged ,18 years. The use of neuraminidase inhibitors was reported by 495 patients (60.9%), with oseltamivir being administered in all cases but two (zanamivir). During hospitalization, 79 patients (9.7%) were admitted to the ICU and 10 died (1.2%), of whom 9 were not receiving intensive care. No death occurred in pregnant women, of whom only one was admitted to the ICU. The timings of the use of neuraminidase inhibitors before hospital admission were: 332 patients in the first 24 h after the onset of symptoms, 97 between 24 -48 h and 66 after 48 h ( Table 1) .