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COVID-19

Natural Immunity’ From Covid Is Not Safer Than a Vaccine

On the heels of last month’s news of stunning results from Pfizer’s and Moderna’s experimental Covid-19 vaccines, Senator Rand Paul tweeted a provocative comparison.

The new vaccines were 90 percent and 94.5 percent effective, Mr. Paul, Republican of Kentucky, said. But “naturally acquired” Covid-19 was even better, at 99.9982 percent effective, he claimed.

Mr. Paul is one of many people who, weary of lockdowns and economic losses, have extolled the benefits of contracting the coronavirus. The senator was diagnosed with the disease this year and has argued that surviving a bout of Covid-19 confers greater protection than getting vaccinated.

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U.S. and Europe head in opposite coronavirus directions

While the U.S. continues to set records for new coronavirus cases, European countries have managed to turn their own terrifying spikes around.

The big picture: As some states in the U.S. crack down to head off the worst, the debate in countries like the U.K. and France has shifted to whether and how to lighten their own restrictions before the holidays.

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States instead of feds become worker safety watchdogs as pandemic worsens

States are increasingly bypassing the federal government and imposing their own rules to protect workers from the coronavirus, creating a patchwork of regulations that could serve as a blueprint for new national standards promised by President-elect Joe Biden.

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ANALYSIS: The Swiss Cheese Model of Pandemic Defense

Lately, in the ongoing conversation about how to defeat the coronavirus, experts have made reference to the “Swiss cheese model” of pandemic defense.

The metaphor is easy enough to grasp: Multiple layers of protection, imagined as cheese slices, block the spread of the new coronavirus, SARS-CoV-2, the virus that causes Covid-19. No one layer is perfect; each has holes, and when the holes align, the risk of infection increases. But several layers combined — social distancing, plus masks, plus hand-washing, plus testing and tracing, plus ventilation, plus government messaging — significantly reduce the overall risk. Vaccination will add one more protective layer.

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