A popular website known for publishing misinformation is claiming that a CDC study found that masks do not make a statistically significant difference in COVID-19 transmission rates. The CDC study referenced focused on mask mandates, not mask effectiveness, and found that mask mandates were associated with statistically significant decreases in cases and deaths within 20 days of implementation.
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The Public Health Communications Collaborative (PHCC) was formed in 2020 to coordinate and amplify public health messaging on COVID-19 and increase Americans’ confidence in guidance from the Centers for Disease Control and Prevention (CDC) and state and local public health officials.
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