Abstract:
Objective To detect global infectious disease events occurring outside China in February 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 February 2026, 14 infectious diseases were detected to form events or outbreaks in 54 countries worldwide. In terms of importation risk to China, there are 5 medium-risk events; in terms of international travel risk, there are no high-risk events and 37 medium-risk events.
Conclusion It is recommended to maintain general attention to the potential import risks posed by by dengue fever in Vietnam and the Philippines, chikungunya fever in Malaysia and the United States, and Nipah virus disease in Bangladesh. Regarding overseas travel risks, compared to January 2026, in February 2026, travelers are also advised to pay general attention to the potential infection risks posed by dengue fever in countries such as Panama, the Philippines, Colombia, and Mexico; cholera in Zimbabwe and Malawi; chikungunya fever in multiple South American countries; measles in Pakistan and Mongolia; Crimean-Congo hemorrhagic fever in Uganda; Nipah virus disease in Bangladesh; and American trypanosomiasis and Zika in Brazil.
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