Open questions of the pandemic, part 1
Kaiser discusses some open questions of the Covid-19 pandemic
covid19
Probabilities of Covid-19
Kaiser looks at how probabilities lie behind the science of vaccines.
Vaccine researchers discard the start-at-zero rule
Kaiser revisits the practice of manipulating the vertical axis of a column chart.
Vaccines free you from the herd
Kaiser looks at covid-19 vaccination campaigns.
One-dose Pfizer is not happening and here's why
Kaiser explores what the Pfizer vaccine trial data say about a one-dose treatment.
Cutting infection rate by half is not the same as protecting half the people from infection
Kaiser explains what 50% vaccine efficacy actually means, and it's not what you think.