On July 1, 2022, a fishing boat with 10 fishermen in Nan'ao County, Shantou City returned to the port for shelter, and conducted nucleic acid tests for the new coronavirus according to regulations. Among them, 8 people including Wang had abnormal results in the initial screening.

Subsequently, the new crown pneumonia epidemic prevention and control headquarters at the Shantou City and Nan'ao County levels immediately activated the emergency response mechanism to control and control the eight fishermen and contact persons including Wang, and carry out the flow adjustment simultaneously. .

　　After review by the Shantou Center for Disease Control and Prevention, eight fishermen, including Wang, had positive nucleic acid test results, and two other fishermen and environmental samples from the same boat had negative nucleic acid test results.

At present, eight fishermen including Wang have been transferred to a special isolation site for medical observation in a closed loop, and other personnel have been quarantined in a centralized manner as required.

　　Combined with epidemiological history, clinical manifestations and laboratory test results, the expert group diagnosed Wang and other 8 fishermen as imported asymptomatic infections.

　　The trajectories of the eight positive fishermen including Wang and others are as follows:

　　March 22: Go to sea on the same fishing boat;

　　June 30: At around 4:00 a.m., returned to the fishing port in Yunao Town, Nan'ao County, and none of the fishermen went ashore that day;

　　July 1:

　　8:30-9:30, go to Yunao Town Health Center for nucleic acid test;

　　9:30-10:50, successively went to Yunao Life Market, Huaxing Commercial Bank, Chulin Commercial Bank, Yunji Commercial Bank, Kung Fu Mill, Small Electric Appliance Store at No. 3 Huangang Road, Yunao Town, Nan'ao County, and Nantai, Yunao Town Shopping at village health stations, Gusao fruit stores and other places;

　　10:50, did not go out again after returning to the ship.

　　Please take the initiative to take personal protection and report to the village (community), unit or hotel where you are staying, and actively cooperate with the implementation of relevant health management measures.

　　(Headquarters reporter Zheng Shu and Zhao Jing)