Castle Breakthrough

Stop thinking of COVID-19 vaccination as fail/not fail, advises The Atlantic’s Katherine J. Wu, and start thinking of a castle.
 
Using an elaborate, telling analogy of a castle’s protections, Wu explains how the body’s vaccine-fortified defenses work.
 
No  impenetrable, perfect protection: Instead, think of layered security teams on the lookout for the coronavirus. An intense exposure event may allow some viral particles to advance deep into the castle, but a “breached stronghold is not necessarily a defeated stronghold,” Wu writes.
 
And even then, a post-vaccine infection can be “like a booster for the vaccine,” said University of Pennsylvania immunologist Laura Su.
 
The Atlantic

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