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SF also lacks the density, and more critically the scale of NYC. Though credit to Mayor London Breed and Gov. Newsom for early and effective action. Regions hardest hit by COVID-19 seem (informal take) to have largely been large, dense, sprawling cities. with poor public health infrastructure or responses. In the US, it's currently mostly Northeast cities, generally surrounding New York, doing the worst. Wuhan (11 million) is also huge. Milan (Italy), Madrid (Spain), Tehran (Iran), London (UK) have also fared poorly, especially relative to their countries. Outbreaks in less populated regions can and do occur. -- though often within institutional populations or equivalents -- cruise ships, retirement / nursing homes, prisons and jails, as well as anti-science religious groups, notably. And not all megacities have been hit, especially those with solid monitoring systems, response plans, and infrastructure: Hong Kong, Seoul, Taipei, Singapore, especially. But this is a pattern to watch going forward. Developing nation megacities seem at high risk. |