麣ΧģԤߡ΢10596229 国家医保局建立信用评价制度 给回扣将被列入失信清单

˽spaл˵á΢10596229-"The second infection was completely asymptomatic C 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.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 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.Experts said the finding was not unexpected, given the millions of people who have been infected worldwide."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 patient is believed to the world's first documented case of reinfection by SARS-CoV-2, the virus that causes COVID-19....-ϲΧ΢10596229-