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成都市哪里有妹子服务大保健〖微10596229〗-,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.,,He tested positive again during the entry screening at the Hong Kong airport on Aug 15 when he returned from a trip in Spain via the United Kingdom. The man was hospitalized again and remained asymptomatic, said the research team of the University of Hong Kong.,Experts said the finding was not unexpected, given the millions of people who have been infected worldwide.,"Patients with a previous COVID-19 infection should also comply with epidemiological control measures such as universal masking and social distancing," they said.。,,Experts said the finding was not unexpected, given the millions of people who have been infected worldwide.;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.,,。"Patients with a previous COVID-19 infection should also comply with epidemiological control measures such as universal masking and social distancing," they said.。"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.。"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.。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.。Experts said the finding was not unexpected, given the millions of people who have been infected worldwide.‘’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.、"Patients with a previous COVID-19 infection should also comply with epidemiological control measures such as universal masking and social distancing," they said....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.。-上海市找妹子服务特殊上门美女〖微10596229〗-