> 1 dose of single-antigen varicella vaccine is: 82% effective at preventing any form of varicella. Almost 100% effective against severe varicella.
And that's actually one of the more effective childhood vaccines. People underestimate how much we rely on herd immunity for some of the big childhood illnesses.
Varicella spreads very easily, but 82% is wildly higher than the effectiveness of any of the COVID vaccines at preventing infection. So the public seeing it as wildly different is justified, and public health authorities have themselves to blame for communicating about this incorrectly and thus causing a dramatic loss of confidence in existing childhood vaccines.
And that's actually one of the more effective childhood vaccines. People underestimate how much we rely on herd immunity for some of the big childhood illnesses.