Since the health code shows that you have been to the high-risk areas in Zhongfeng, it means that you have been to these places in the last 14 days, because there is a travel code in the health code, which is detected according to the movement of your mobile phone.
High-risk areas refer to more than 50 confirmed cases, and there is a cluster epidemic within 14 days. The epidemic areas are mainly divided into three categories, namely, low-risk areas, medium-risk areas and high-risk areas. Among them, the low-risk area means that there are no confirmed cases in this area, or there are no new confirmed cases for 14 consecutive days.