Opinion: Real-world data, not predictions, should drive decisions on Covid-19 and school opening

The United States has exceeded 31 million Covid-19 infections (a messy data point) and is approaching 570,000 Covid-19 deaths (a more robust data point). Yet despite the abundance of data about the pandemic, the best available information is not usually what guides policymakers.

Some policies are senselessly cruel, such as keeping family members from visiting loved ones dying of Covid-19. Others heighten disparities in income, health, and education.

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