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青岛市找外围服务妹子〖微10596229〗-,"Patients with a previous COVID-19 infection should also comply with epidemiological control measures such as universal masking and social distancing," they said.,"Natural infection created immunity that prevented disease but not reinfection," she 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.。,,;,The findings also show that people who have had coronavirus already should nonetheless get vaccinated if and when a vaccine becomes available, the researchers was quoted as saying.,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 findings also show that people who have had coronavirus already should nonetheless get vaccinated if and when a vaccine becomes available, the researchers was quoted as saying.。The findings also show that people who have had coronavirus already should nonetheless get vaccinated if and when a vaccine becomes available, the researchers was quoted as saying.。。‘’、Experts said the finding was not unexpected, given the millions of people who have been infected worldwide...."Natural infection created immunity that prevented disease but not reinfection," she said.。-南京市车站哪里酒店宾馆有妹子服务〖微10596229〗-