A family of four in Macau was diagnosed with the Delta variant virus. The confirmed daughter, suspected to be the source of this family group, had been with the Haojiang Middle School Dance Troupe to communicate with Xi'an from July 19th to 24th.
The Chief Executive of Macau, He Yicheng, said at a press conference on the epidemic today (4th) that the patient’s family was confirmed to be diagnosed after a review, and a flight from Nanjing to Zhuhai was temporarily locked as the source of infection.
The authorities tracked the whereabouts of the confirmed daughter and found that she was sitting in row 54 on the flight from Zhuhai to Xi'an. Two people were diagnosed on the flight's front flight, the Nanjing-Zhuhai flight, and they were also sitting in row 54. Therefore, the Macau authorities Set the flight as the source point.
However, He Yicheng emphasized that other sources are not ruled out, so national testing is needed.
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The four confirmed cases in Macau belong to a family of four. Their daughter followed the Haojiang Middle School Dance Group to Xi’an from July 19 to 24. They first took the “CZ3761” flight from Zhuhai to Xi’an, and then took the “CZ3762” flight on July 25. Xi'an returned to Macau.
He Yicheng said today that the female student was unwell two days after arriving in Xi'an, and then the situation improved. She returned to Macau in the early hours of the 25th. The government is tracking her trajectory in Xi'an and the whereabouts of her parents in the mainland.
He Yicheng said that after obtaining and reviewing flight information from the mainland, the authorities temporarily locked the Nanjing-Zhuhai flight as the source of transmission.
He pointed out that the dance troupe took a flight from Nanjing to Zhuhai and then to Xi'an. The confirmed female student took the 54th row C. On the same flight and in the same row, there were two confirmed cases.
Two patients were diagnosed on the 19th. They were from Zhongshan and Zhuhai respectively, so it is speculated that the flight was the source of the infection.
In addition, he pointed out that the CT value of the antibody test for female students is 30, and the CT value of the parents is 10, reflecting that the CT value of female students is lower, "the time of onset may be less resistant," while the time of parental onset is relatively close.
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