The COVID-19 pandemic has fueled a global health and economic crisis of unprecedented severity. Six months into the pandemic, the death toll in the US is approaching 200,000 and, despite massive fiscal stimulus, the country faces its deepest economic contraction in modern history. Since person-to-person contact is essential for a substantial fraction of the US economy to function, and since such close contact allows the virus to spread easily, both fatalities and economic losses are unavoidable.