Fig. 1From: The direct healthcare costs attributable to West Nile virus illness in Ontario, Canada: a population-based cohort study using laboratory and health administrative dataSurvival curve of WNV infected subjects. Probability of survival from date of index infection over 10 years. Among WNV infected subjects, 24 (1.5%) died within 1month of index date, 72 (4.6%) died within 1 year of index date, and 163 (10.5%) died throughout the entire observation periodBack to article page