The first statement is sort of true although a bit misleading - many pathogens are disproportionately dangerous to those who are vulnerable for one reason or other, but Covid is especially so.
But the 2nd statement leaves me at a loss. I can’t think of an example 1/n
But the 2nd statement leaves me at a loss. I can’t think of an example 1/n
https://twitter.com/telegraph/status/1314984570522132481
We don’t use naturally acquired immunity in this way. Btw have you imagined the stink there would rightly be if a vaccine had the risks associated with Covid-19? 2/n
There are some diseases where the risks of infection vary given the age you first encounter them. Mumps is an eg. Post pubertal males can be rendered sterile. Chickenpox is another where it is milder in younger age cohorts 3/n
However almost everyone in the older age groups most at risk of these viruses already have immunity, even in the prevaccine era, so the consequences of them being exposed to infected youngsters aren’t serious 4/n
What’s being suggested here, given the expected duration of immunity, is endemic transmission, which means the virus will present a continued risk of outbreaks in older age groups indefinitely 5/n
And y’know - I think that’s wrong. 6/end
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