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Delta Has Us Masking Again, but Which Masks Work Best?

August 10, 2021

An Aug. 5 Philadelphia Inquirer story on which masks work against the Delta variant, that quoted Thersa Sweet, PhD, an associate teaching professor in the Dornsife School of Public Health, ran in The Record (Bergen County, New Jersey), News Tribune in (Jefferson City, Missouri), The Sentinel and Enterprise (Westford, Massachusetts) on Aug. 10 among other outlets.
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School of Public Health