Vaccines free you from the herd
Kaiser looks at covid-19 vaccination campaigns.
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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.
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.