Getting to the point where the disease is really gone is not an easy state to reach. Polio has been eradicated, yet we have small, latent pockets pop up every n

Getting to the point where the disease is really gone is not an easy state to reach. Polio has been eradicated, yet we have small, latent pockets pop up every now and then. London in 2022, for instance: https://www.bbc.co.uk/news/health-61900915 https://www.bbc.co.uk/news/health-61900915 I'm all for getting rid of useless things, but the long tail for diseases appears to be extremely long and resilient.