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Fast Fourier Transform wavelet analysis of tick events in Quarantine + Free Zone. Two main cycle frequencies are shown at top of graph. Tick outbreak data (1959–2011) on which analysis is based is shown in vertical line and point format. Tick cycles are backcast to 1920 and forecast to 2077 with 90% confidence limits. A period of increased CFT outbreak activity is posited to occur during the 2040 decade.
