Some observations: * Santa Clara County has over double the population of SF County. * Santa Clara County has always been ahead of SF County in confirmed case

Some observations: * Santa Clara County has over double the population of SF County. * Santa Clara County has always been ahead of SF County in confirmed cases. * According to https://projects.sfchronicle.com/2020/coronavirus-map/ https://projects.sfchronicle.com/2020/coronavirus-map/, the ratio has stayed roughly the same over the last two weeks (3:1). * Interestingly, LA County had fewer confirmed cases than SF County until 11 days ago.