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哈尔滨市哪里酒店宾馆有妹子服务上门〖微10596229〗-,"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.,,,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.,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.。,"The case illustrates that reinfection can occur even just after a few months of recovery from the first infection. Our finds suggest that SARS-CoV-2 may persist in humans, as is the case for other common cold-associated human coronaviruses, even if patients have acquired immunity via natural infection or via vaccination," the researchers told CNN.,;The patient is believed to the world's first documented case of reinfection by SARS-CoV-2, the virus that causes COVID-19.,"The case illustrates that reinfection can occur even just after a few months of recovery from the first infection. Our finds suggest that SARS-CoV-2 may persist in humans, as is the case for other common cold-associated human coronaviruses, even if patients have acquired immunity via natural infection or via vaccination," the researchers told CNN.,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.。。"Natural infection created immunity that prevented disease but not reinfection," she said.。"Natural infection created immunity that prevented disease but not reinfection," she said.。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.‘’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.、...。-西宁市酒店找外围女模特妹子〖微10596229〗-