18 setembro 2020
WHO's own document recommending face masks said there was very little evidence for them
WHO's own document recommending face masks said there was very little evidence for them: At the present time, the widespread use of masks by healthy people in the community setting is not yet supported by high quality or direct scientific evidence.
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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.