![](http://www.ecns.cn/hd/2021/12/01/a399b3c6d3d54d30bc9bdcd365f25e53.jpg)
A kindergarten in Xuhui District of east China's Shanghai teaches children campus disinfection, preparedness and other epidemic prevention measures, in order to improve health and hygiene and build a strong epidemic defense. (Xinhua/Ding Ting)
![](http://www.ecns.cn/hd/2021/12/01/9a756ea3ec81447ca1b64c761f9419d9.jpg)
A kindergarten in Xuhui District of east China's Shanghai teaches children campus disinfection, preparedness and other epidemic prevention measures, in order to improve health and hygiene and build a strong epidemic defense. (Xinhua/Ding Ting)
![](http://www.ecns.cn/hd/2021/12/01/82939ca711e24f81b0f60af451dc5219.jpg)
A kindergarten in Xuhui District of east China's Shanghai teaches children campus disinfection, preparedness and other epidemic prevention measures, in order to improve health and hygiene and build a strong epidemic defense. (Xinhua/Ding Ting)
![](http://www.ecns.cn/hd/2021/12/01/ed9d3492339347b1be891c434e56e1ed.jpg)
A kindergarten in Xuhui District of east China's Shanghai teaches children campus disinfection, preparedness and other epidemic prevention measures, in order to improve health and hygiene and build a strong epidemic defense. (Xinhua/Ding Ting)