Researchers at Harvard University found that universal mask wear among healthcare professionals "significantly alleviates" COVID-19 infections, according to a study published Wednesday in the academic journal Occupational Medicine.
Researcher at the Department of Environmental Health, Harvard University T.H. examined the effect of mask wear among health care professionals. The Chan School of Public Health in Boston compared the seven-day average infection levels between a Massachusetts healthcare system and Massachusetts residents across the country. The study gained access to infection data between March 17 and May 6, the date Massachusetts conducted public masking. Since the health care system implemented universal masking on March 26, researchers assigned a five-day delay for effect onset.
During that study period, 1
Researchers said that the results may be applicable to other important workers and indoor companies.
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