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重庆市(美女)一条街找妹子全套真好)服务〖微10596229〗-,,A man living in Hong Kong has been infected by the novel coronavirus for the second time, according to a research by the University of Hong Kong.,,A man living in Hong Kong has been infected by the novel coronavirus for the second time, according to a research by the University of Hong Kong.,"Patients with a previous COVID-19 infection should also comply with epidemiological control measures such as universal masking and social distancing," they said.。,,Cases of presumed reinfection have been reported previously, but none have been confirmed with rigorous testing. Recovered people are known to carry viral fragments for weeks, which can lead to positive test results in the absence of live virus.;,But the Hong Kong researchers sequenced the virus from both of the man's infections, and found significant differences, suggesting that the patient had been infected a second time.,Cases of presumed reinfection have been reported previously, but none have been confirmed with rigorous testing. Recovered people are known to carry viral fragments for weeks, which can lead to positive test results in the absence of live virus.。The patient is believed to the world's first documented case of reinfection by SARS-CoV-2, the virus that causes COVID-19.。。。"Natural infection created immunity that prevented disease but not reinfection," she said.。‘’The man, 33, was first confirmed to be infected on March 26, and was discharged from the hospital on April 14 after recovering from the disease.、"The second infection was completely asymptomatic – his immune response prevented the disease from getting worse," Akiko Iwasaki, an immunologist at Yale University was quoted as saying by New York Times....。-北京市KTV高台妹子上门〖微10596229〗-