The Rise of Vaccine Nationalism

Covid-19 has sparked an unprecedented mobilization of researchers looking to create a drug that can stem the spread of the virus. Globally, drug developers are working on as many as 100 experimental vaccines. But as nations rush to ease lockdowns and restart economies, some countries seem to want to secure early supplies of a vaccine for themselves. James Paton reported on efforts to democratize international access to vaccines, and the dangers of creating immunization gaps.See omnystudio.com/listener for privacy information.

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For much of human history, we’ve turned to diets to lose weight and improve our health. But it’s mostly been in vain. No matter how much the number on the scale drops begins to go down, chances are that the weight will come back. That’s just what the science says. But when it comes to weight, the facts just don’t seem to matter. Losing It, a new series from Bloomberg’s Prognosis, looks at how we got weight loss so wrong — and whether there’s a better way forward.