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A new approach to estimate the risks of exposure to COVID-19 under different indoor settings Two MIT professors have proposed a new approach to estimating the risks of exposure to Covid-19 under different indoor settings. The guideline they developed suggests a limit for exposure time, based on the number of people, the size of the space, the kinds of activity, whether masks are worn, and the ventilation and filtration rates. Their model offers a detailed, physics-based guideline for policymakers, businesses, schools, and individuals trying to gauge their own risks. The guideline, appearing this week in the journal PNAS, was developed by Martin .Z. Bazant, professor of chemical engineering and applied mathematics, and John W. M. Bush, professor of applied mathematics. They stress that one key feature of their model, which has received less attention in existing public-health policies, is providing a specific limit for the amount of time a person spends in a given setting.

United statesSkagit valleyKasim khanJohn wm bushEmily hendersonMassachusetts institute of technologyPrinceton universityChemical engineeringApplied mathematicsMassachusetts instituteSkagit valley choraleHoward stoneArs cov 2ஒன்றுபட்டது மாநிலங்களில்ஸ்காகித் பள்ளத்தாக்குகாசிம் காந்