ObjectiveTo understand epidemiological characteristics of notifiable communicable diseases in the context of emergency response to COVID-19 in Zhejiang province.
MethodsDescriptive epidemiological analysis was conducted on the incidence data of notifiable communicable diseases in the context of emergency response to COVID-19 in Zhejiang. Seasonal autoregressive integrated moving average (ARIMA) model was used to predict the incidence levels of common respiratory diseases and enteric infectious diseases in normal status in Zhejiang. The results were compared.
ResultsCompared with the same period in 2019, the incidences of Class B and C communicable diseases decreased by 47.5% and 67.7% respectively in the context of the first level response to COVID-19 emergency and decreased by 29.6% and 95.0%, respectively in the context of the second level response to COVID-19 emergency in Zhejiang. The incidences of nearly all the communicable diseases decreased with the obvious declines in case numbers of scarlet fever, influenza, hand foot and mouth disease (HFMD) and other infectious diarrhea disease. Compared with the prediction results, the incidences of pulmonary tuberculosis, influenza, mumps, scarlet fever, HFMD and other infectious diarrhea diseases decreased by approximately 31.3%, 48.9%, 48.2%, 75.0%, 72.3% and 66.0%, respectively in the context of the first and second level responses to COVID-19 emergency.
ConclusionIn the context of emergency response to COVID-19, the incidences of notifiable infectious diseases decreased obviously in Zhejiang, especially the incidences of scarlet fever, influenza, other infectious diarrhea and HFMD. Measures such as restricting people flow in public places, school closure and promoting mask wearing might have brought a long-term suppression effect to some communicable diseases, which provided certain reference for the future prevention and control of communicable diseases in normal status.
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