I can't be bothered to grab numbers, but in the US, and perhaps elsewhere, I'd wager that the number of people a) over 55, or b) obese, or c) otherwise high ris

I can't be bothered to grab numbers, but in the US, and perhaps elsewhere, I'd wager that the number of people a) over 55, or b) obese, or c) otherwise high risk make up more than half the population, or very much near it.