If Philadelphia's masking policy aims to prevent spread of Covid-19, emphasizing hospitalization numbers, a lagging indicator, over case numbers isn't wise, comments Michael Levy, PhD. “It’s like instead of using a weather forecast, just putting a bucket out and seeing how much rain is in it.”
To understand health and disease today, we need new thinking and novel science —the kind we create when multiple disciplines work together from the ground up. That is why this department has put forward a bold vision in population-health science: a single academic home for biostatistics, epidemiology and informatics.
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