Abstract:
Objective To detect global infectious disease events occurring outside China in August 2026 and assess the importation risk to China and international travel risk.
Methods Utilizing open-source intelligence on the internet, this study conducts event-based surveillance of priority infectious diseases and adopts the risk matrix methodology to build an indicator system by integrating disease-, country- and event-specific indicators in terms of transmission likelihood and severity of consequences in order to assess the risk of the importation and the risk of international travel.
Results In August 2026, 16 infectious diseases were detected to form events or outbreaks in 56 countries worldwide. In terms of importation risk to China, there are 2 high-risk events and 21 medium-risk events; in terms of international travel risk, there are 3 high-risk events and 22 medium-risk events.
Conclusion For import risk, it is recommended to pay close attention to the dengue fever outbreak in Malaysia and Vietnam, and pay general attention to West Nile virus disease, chikungunya, the eastern equine encephalitis, and dengue fever in specific countries. For overseas travel risk, it is recommended to pay close attention to cholera in the Democratic Republic of the Congo and dengue in Bangladesh and the Philippines, and pay general attention to Chandipura virus infection, chikungunya, cholera, dengue fever and yellow fever in specific countries.
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