According to the announcement issued by Kaifeng, the above-mentioned six new asymptomatic infected people are all classmates or classmates of case 8 reported previously, and they have all participated in military training in this school before. Up to now, there are at least 13 positive infected persons associated with this military training, including students 12 and teachers 1 person, except for case 8, which was not clearly related in the notification of case 7.

At present, the relevant departments of Kaifeng City have not disclosed the source of this round of epidemic. At present, the situation of epidemic prevention and control is grim, reminding the general public not to leave the middle and high risk areas unless necessary; People in medium and high-risk areas don't have to come (go back) to the border, and if they really need to go out (go back), they must report to their village (community) three days in advance and implement relevant epidemic prevention measures.