You have to wonder at what point all of the people proudly proclaiming over the last 4 months that Sweden is at herd immunity will admit that they were wronghttps://twitter.com/zorinaq/status/1321806754716426240 …
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A simple way to explain this is the common cold. No one claims that we have "herd immunity" to the cold, despite it being relatively mild. It's just an endemic disease
Ok I've been informed that the common cold is a ~terrible~ example. A better one might be measles or mumps pre vaccination
Amen. When civilians start going on about epidemiology - I always ask them if they've had probability and statistics. If they haven't, I quietly shush them. "Herd immunity" is for people who understand how complex the underlying variables are - and nobody else.
You shush people?
While essentially true, I think that misses an extremely important point about interindividual variation in susceptibility. If the most susceptible people are hit first, then the severity should go down and down as herd immunity is reached, even before the cases do.
That's not entirety untrue, but the central point is that the accelerating outbreaks are still inconsistent with herd immunity
Should also be noted that herd immunity for an infectious disease without a vaccine is almost unheard of.
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