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Note to my followers elsewhere in the world: The US is being particularly irresponsible in its handling of an early-stage apparent pandemic, and San Francisco is an especially vulnerable urban hub. My personal precautions are callibrated to my sense of the risk here.
Some countries/locales will respond to this like the United States has or worse, and some will exert extreme social control to limit spread. Whatever your circumstances, handwashing, limiting exposure to crowded spaces & developing an aversion to face-touching will serve you well
