21 dezembro 2020
What you need to know about the coronavirus pandemic on 21 December
COVID-19: What you need to know about the coronavirus pandemic on 21 December: Top stories: United Kingdom announces new restrictions; new variant discovered in UK prompts travel bans; Moderna vaccine rollout begins in United States.
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Why emergency COVID-vaccine approvals pose a dilemma for scientists : After a flurry of positive results from clinical trials of COVID-19 v...
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The Value of a Cure: An Asset Pricing Perspective : We provide an estimate of the value of a cure using the joint behavior of stock prices ...
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The Tricky Math of COVID-19 Herd Immunity : Herd immunity differs from place to place, and many factors influence how it’s calculated.