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There is 1 comment on Boston University Weekly COVID-19 Report: December 2 to 8

  1. The continued focus on masks does not make sense on many levels:

    1. The evidence on mask effectiveness is weak. See, for example,

    “There is low certainty evidence from nine trials (3507 participants) that wearing a mask may make little or no difference to the outcome of influenza‐like illness (ILI) compared to not wearing a mask (risk ratio (RR) 0.99, 95% confidence interval (CI) 0.82 to 1.18. There is moderate certainty evidence that wearing a mask probably makes little or no difference to the outcome of laboratory‐confirmed influenza compared to not wearing a mask…”

    2. The emerging picture is that large *indoor* gatherings are a major issue.

    I know that masks are a popular virtue signal these days, but in public health it is important to limit the length and timing of interventions, and to focus on those that offer the greatest evidence-supported chance of mitigating disease spread.

    The repeated focus on masking seems counter-productive.

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