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With the continuous development of the economy and agricultural modernization in the past three decades, nutritional deficiency issues in the Chinese population have been gradually improving. However, new nutritional and health challenges have emerged. Overweight and obesity, diabetes, cardiovascular diseases, and other chronic diseases have increasingly become major disease burden. In view of the problems above, the State Council released the Healthy China Initiative 2019–2030 focusing on 15 special campaigns and the Healthy Diet Campaign (HDC) as the second campaign. This article intends to interpret HDC in details including the following four aspects: background, major indices, strategies, and features. Healthy diet is the foundation of human health, and the HDC needs to be carried out together with other campaigns to achieve the overall goal of Healthy China.

What is already known about this topic? After the type 2 strain of the live, attenuated poliovirus vaccine was withdrawn globally in 2016, any identification of a type 2 poliovirus is a Public Health Emergency of International Concern. A vaccine-derived type 2 poliovirus (VDPV2) was identified in Sichuan, prompting an urgent, comprehensive investigation and response. What is added by this report? Type 2 monovalent, live, attenuated oral poliovirus vaccine (mOPV2) is being used to respond to the numerous VDPV2 outbreaks seen around the world. In contrast, the response in Sichuan used Sabin strain inactivated poliovirus (sIPV) to stop circulation of the VDPV2. In the 6 months following the vaccination response, there have been no VDPV2s detected in Sichuan, despite extensive search. What are the implications for public health practices? Further search for the VDPV2 must continue in order to determine whether transmission has been stopped. The ongoing investigation and response to the Sichuan VDPV2 is providing evidence to the Global Polio Eradication Initiative on managing VDPV2 outbreaks.