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.
Covid-19
The Swedish mirage: the verdict is already written
Kaiser asks whether we need more time to evaluate Sweden's approach to coronavirus.
I don't like the term herd immunity
Kaiser explains why the term "herd immunity" is problematic
Dr. Backlog jumps the pond
Kaiser investigates the official reason for U.K. under-reporting of coronavirus cases.
Tautology in data arguments
Kaiser discusses statistical tautologies.
This exercise plan for your lock-down work-out is inspired by Venn
Kaiser Fung proposes a work out plan for the Covid-19 lockdown.