Researchers who reviewed 172 studies about the effectiveness of masks, eye protection and physical distancing in decreasing the spread of COVID-19 confirm what many health officials have already been saying: They work.
The World Health Organization-funded study looked at research carried out in 16 countries on six continents in order to prepare clear guidance on the issue.
Dr. David Harris, a Vancouver infectious disease physician and one of the report’s co-authors, said the study provides confidence that “the people who are making the recommendations are making them based on sound science.”
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