Coronavirus vaccine researcher says people can get COVID-19 twice

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The novel coronavirus infection will generate immunity, but it might not last anywhere near as long as vaccine-induced COVID-19 resistance, a researcher said.
COVID-19 survivors might get infected again in the coming years, the researcher noted, which tends to be true of all coronaviruses and not just SARS-CoV-2.
A vaccine might be able to generate a more robust immune response, the Oxford University researcher said.
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More and more COVID-19 survivors are testing positive again for the novel coronavirus, and some of them are even showing mild symptoms the second time around. Researchers are trying to understand the reasons why that happens, as that’s not the kind of question we can afford to leave unanswered. It’s not only crucial for COVID-19 immunity research, but also for mitigating new outbreaks and devising policies for easing social distancing restrictions. If patients retest positive, does it mean they’re infectious? Was it a testing error? Is it possible they were reinfected?

So far, it’s believed that people who test positive again haven’t been reinfected by someone else. Instead, the virus may have been dormant inside them and a weaker immune response may have resurrected it. But one researcher who is working on a COVID-19 vaccine candidate said people who have recovered from the disease might be reinfected again. However, that likely can’t happen as soon as you think, and it likely doesn’t explain why recovered patients are testing positive again.

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Coronavirus vaccine researcher says people can get COVID-19 twice originally appeared on BGR.com on Mon, 20 Apr 2020 at 10:48:55 EDT. Please see our terms for use of feeds.