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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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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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ANALYSIS: How Melbourne, Australia, eradicated Covid-19

In July and August, the Australian state of Victoria was going through a second Covid-19 wave. Local leaders set an improbable goal in the face of that challenge. They didn’t want to just get their Covid-19 numbers down. They wanted to eliminate the virus entirely.

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Increased Intensity Of PCR Testing Reduced COVID-19 Transmission Within Countries During The First Pandemic Wave

No medication has proven effective in slowing transmission of the novel coronaviru

s (SARS-CoV-2), which causes coronavirus disease 2019 (COVID-19). Lacking a v

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What the World Can Learn From Africa’s Covid-19 Response

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Fragmented health systems in COVID-19: rectifying the misalignment between global health security and universal health coverage --The Lancet

Fragmented health systems in COVID-19: rectifying the misalignment between global health security and universal health coverage

The COVID-19 pandemic has placed enormous strain on countries around the world, exposing long-standing gaps in public health and exacerbating chronic inequities. Although research and analyses have attempted to draw important lessons on how to strengthen pandemic preparedness and response, few have examined the effect that fragmented governance for health has had on effectively mitigating the crisis.

By assessing the ability of health systems to manage COVID-19 from the perspective of two key approaches to global health policy—global health security and universal health coverage—important lessons can be drawn for how to align varied priorities and objectives in strengthening health systems.

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