Figure 1From: Knowledge, attitudes, and influenza vaccination of medical students in Warsaw, Strasbourg, and Teheran Percentage of students vaccinated in the year of the examination, in last two, or three years, and never immunized against influenza. W - Warsaw, S - Strasbourg, T - Teheran. Error bars: 95% confidence intervals. *P < 0.05 for differences among student groups representing each city in each year category.Back to article page