Wednesday, April 22, 2020

CDC says second wave of coronavirus could be even worse. What happens when it returns in winter? Will ‘herd immunity’ help?

‘The four seasonal coronaviruses do not seem to induce long-term immunity,’ said Gregory Poland, who studies the immunogenetics of vaccines at the Mayo Clinic

‘The 1918 Spanish flu’s second wave was even more devastating than the first wave,’ says Ravina Kullar, an infectious-disease expert with the Infectious Diseases Society of America and adjunct faculty member at the University of California, Los Angeles.

 MarketWatch photo illustration/Getty Images

America is staring down a widespread COVID-19 testing shortage with no vaccine in sight. So what happens when coronavirus makes its unceremonious return?
“There’s a possibility that the assault of the virus on our nation next winter will actually be even more difficult than the one we just went through,” Robert Redfield, director of the Centers of Disease Control and Prevention, told The Washington Post.
“And when I’ve said this to others, they kind of put their head back, they don’t understand what I mean,” Redfield told the paper late Tuesday. “We’re going to have the flu epidemic and the coronavirus epidemic at the same time.”
Anthony Fauci, the director of the National Institute of Allergy and Infectious Diseases, also said the novel coronavirus “might keep coming back” year after year. “The ultimate game changer in this will be a vaccine,” he said. But that, Fauci estimated, could take 12 to 18 months.

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