A newly published editorial in the Cochrane Library addresses how Cochrane has responded to the COVID-19 pandemic, what the limitations to COVID-19 evidence are, and suggestions on how policy makers can move forward with best available evidence.

The urgency to define the relevant knowledge base in preventing, diagnosing, and managing COVID-19 and its sequelae has required intense collaboration in evidence generation and synthesis, in order to provide public health officials with authoritative guidance.

This editorial was published alongside the updated Cochrane Review 'Physical interventions to interrupt or reduce the spread of respiratory viruses'.

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