22 outubro 2020
CDC rewrites definition for coronavirus 'close contact'
CDC rewrites definition for coronavirus 'close contact': Under the old definition, “close contact” was defined as being within
6ft of an infected person over a solid block of 15 minutes or more. That
has now been amended to cover a cumulative 15 minutes or more over a
24-hour period.
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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.