Layered controls can significantly curb exposure to COVID-19: Mechanistic modeling study shows the combination of physical distancing, increased ventilation, and face coverings is highly effective

Using a new computational model that simulates the life cycle of pathogen-laden particles, researchers found that a combination of distancing of six feet, universal mask-wearing, and increased room ventilation could reduce the risk of infection by more than 98 percent in more than 95 percent of scenarios studied.

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