The cause of the epidemic. According to the investigation of epidemic prevention and control in Linying, as of June 29, 2022, an epidemic occurred in Linying, which belongs to the middle and high risk area, and it was suspended to buy more food. Linying County belongs to Luohe City, Henan Province, located in the middle of Henan Province, bordering Yanling County of Xuchang City and Xihua County of Zhoukou City in the east.