Recommended distances for physical distancing during COVID-19 pandemics reveal cultural connections between countries.

With data from May 2020, a higher recommended distance was associated with a lower transmission rate, as expected, although this effect was marginally non-significant ( Table 1 , β = -0.912, SE = 0.48, P = 0.052, model using Arroyo-Marioli et al. data [ 35 ], β = -0.88, SE = 0.48, P = 0.06, model using Ritchie et al. data [ 36 ]).

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We found that higher recommended distances were associated with either a small, barely significant reduction in COVID-19 dynamics, as expected, or even an increased COVID-19 dynamics, depending on the day of the pandemic we examined.

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