[quote hopsalong]@TheSunIsStillShining
I agree that the maths isn't complicated. More than half of the population is between 15 and 55. At least 5% (probably rather more) of the total population has already been infected. Inevitably more non-volunteers will be infected and recovered in the normal course of things.
If 80% of people in the 15-55 age bracket volunteered, that would more then cover it, particularly given the population's non-homogeneity in terms of the likelihood of being infected. Even if only 50% volunteered, it would make an enormous difference.
It's all about getting the R0 down, remember? We don't need everyone to be immune for a pandemic to burn out.
On people not wanting to volunteer because patient 0 in Italy was 30-something and died... that's missing the point. In war time, people don't say, 'oh no I don't fancy fighting for my king and country thanks very much, I've heard that some people die'. In fact, patient 0 was a probably exposed to a very high viral load, and may have had an undetected condition that would be detected by pre-inoculation screening.
It remains true that the idea isn't without risk. But it wouldn't be compulsory (unlike military conscription). It would require individuals to behave courageously, take risk, and do something rather than sitting at home watching TV and waiting for a a scientist somewhere to make a magic, side-effect-free, perfect, universally adopted vaccine which will restore the world to its pre-covid state no matter how long it takes and how much of the old infrastructure and human capital is lost before that vaccine comes.
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Ok, let's do the maths together
34m falls between the 15-55 age group.
You're saying 80% of those need to be infected, that is 27.5m
Of all the population that is 41%.
For herd immunity* (BS) the threshold is around 60-80%
But if we take the numbers by your logic: we infect 41% (27.5m) people, and take it on the chin that 2.7m will die (current stat: 10%ish) then what have we gained:
24.75m people infected. That will be 37% of the population.
WHY?????
Getting the R number is not by killing off 2m+ people in the process....
Sidenote:
Maybe people don't want to volunteer as the numbers show that out of the 390k tested and positive cases 41k died (ONS 52k), which is a bit more than 10%....
- there is no record of herd immunity naturally through human history. And the natural immunity length is in question!