Loose lips sink hearts
Loose language in medical research sinks hearts
vaccine effectiveness
Real-world studies: limits of knowledge
Kaiser focuses attention on a few aspects of the Mayo Clinic real-world effectiveness study.
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.
I don't like the term herd immunity
Kaiser explains why the term "herd immunity" is problematic