Is there any evidence that syphilis epidemics cycle?

  title={Is there any evidence that syphilis epidemics cycle?},
  author={Romulus Breban and Virginie Supervie and Justin T Okano and Raffaele Vardavas and Sally Blower},
  journal={The Lancet. Infectious diseases},
  volume={8 9},
We re-examine the evidence behind the controversial hypothesis that syphilis epidemics cycle. We used the same methods (spectral analysis) used by the proponents of this hypothesis to reanalyse a longitudinal dataset provided by the US Centers for Disease Control and Prevention (CDC). We also analysed a longitudinal CDC mortality dataset. To investigate the theoretical results generated by the transmission model that was used to support the hypothesis, we simulated the model and predicted the… CONTINUE READING