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WTHR did a fact check on this image in May 2020: “CDC can’t confirm the accuracy of the numbers reflected in this image,” they said in a statement. “Currently we are not finding any data that can quantify risk reduction from the use of masks” The claim simply does not make sense. One cannot assign a single number to probability to spread; it depends on ...


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A meta analysis published in May 2020, Nonpharmaceutical Measures for Pandemic Influenza in Nonhealthcare Settings—Personal Protective and Environmental Measures (DOI 10.3201/eid2605.190994) examined the effectiveness of face masks controlling influenza pandemic by University of Hong. It found no evidence to support wearing faces masks affected influenza ...


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