Science is usually a piecemeal process until the mosaic reveals the full picture. No one can say for sure how much riskier 3 feet is than 6 feet. And while evidence is accumulating that COVID-19 virus travels farther, no one can say for sure how quickly the risk drops. Even once the risks are better understood with time, acceptable risk is a value judgement. The truth is we don't have a lot of experience with COVID-19 virus. We're learning as we go along.
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