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.
coronavirus
Eight unanswered questions about the coronavirus
Kaiser Fung discusses eight unanswered questions about the coronavirus.
In times of paranoia, seek out data and stick to facts
Kaiser Fung (Principal Analytics Prep, Numbersense) urges people to stick to the facts as they assess the coronavirus public-health situation.