Nate Silver @NateSilver538
Some of this is prudent. Vaccines may take a while to roll out. The first ones may not be super effective. But there needs to be some cost-benefit analysis. If a vaccine "substantially blunts the frequency of severe disease", the calculation changes. https://t.co/FPvUTFfIUz https://t.co/jJv9CEFkxL — PolitiTweet.org