Modern-day slums, created by right-wing economic policies, are spreading Covid-19.

The "cramped" living conditions of the poor, in the US and the UK and some other countries, get their impetus from the general economic situation that draws large numbers to a few successful cities — but this turns into real hardship because of favor-the-wealthy government policies that don't build enough housing in those cities, combined with the right-wing squeeze-the-poor policies that squeeze some poor people onto the street.