Hong Kong reports its first confirmed reinfection

Hong Kong reports its first confirmed reinfection
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A 33-year-old man was infected a second time more than four months after he initially contracted the coronavirus, a team at the University of Hong Kong said on Monday. After getting sick in Hong Kong in March, he tested positive on Aug. 15 after a trip to Spain via the United Kingdom, picking up a strain that was circulating in Europe in July and August.
Doctors have reported several cases of presumed reinfection in the United States and elsewhere, but none of those cases were confirmed with rigorous testing. The Hong Kong researchers sequenced the virus from both infections.
It reaffirmed the need for a comprehensive vaccine: “We can’t just get to herd immunity the natural way because only vaccines may be able to produce the kind of immune response that can prevent reinfection,” Apoorva Mandavilli, a Times science reporter, told us.
But some good news: The patient did have an immune response, and did not show symptoms the second time. “His immune response prevented the disease from getting worse,” an immunologist at Yale University said. Though concerning, one case like this out of tens of millions “should not cause undue alarm as of yet,” a Columbia University epidemiologist said.

Source: The New York Times

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