Objective: To analyze the seasonal characteristics of main infectious diseases in Gusu district of Suzhou city. Method: Concentration degree and circular distribution method were used to analyze the epidemic seasonal characteristics of main infectious diseases from 2012 to 2013 in Gusu district of Suzhou city. Result: From 2012 to 2013, the M-value of HFMD, other infectious diarrhea and mumps were 0.3471, 0.3279 and 0.4069; the peak time of HFMD, other infectious diarrhea and mumps were June 6, February 7 and May 26 using circular distribution method; there was positive correlation between M-value and R-value (r=0.99,P﹤0.01). Conclusion: HFMD, other infectious diarrhea and mumps had certain seasonal characteristics.
infectious diseaseseasonal characteristicsconcentration degreecircular distribution