Tests Why tests are not perfect Kaiser explains why testing can't be perfect. Typically, the test itself can't be perfect; but also errors arise from outside the labs.
Covid-19 Bittersweet Kaiser Fung (Numbersense) describes the bitterweet moment when the data scientist discovers something.
Chapter 2 Eight unanswered questions about the coronavirus Kaiser Fung discusses eight unanswered questions about the coronavirus.
