Figure 2. . . Results of joinpoint analysis of annual incidence rates (no. cases/100,000 population) of tick-borne encephalitis (TBE) in A) Austria (total population), B) Austria (nonvaccinated population), C) Czech Republic, and D) Slovenia. The lines in each panel represent the piecewise log-linear relationship between year and incidence. Estimated joinpoints and their 95% CIs are shown.