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Click here to open CDPH's face shield frequently asked questions.
Click here to open the most recent guidance for the use of face coverings.
Click here to open a PDF of the press release. Click here to view the State guidance. Click here for the Spanish version of the State guidance.
Click here to open a PDF of the statement.
Click here to open a PDF of the Health Officer Order.
See, in particular, p. 107, 108 of the Cochrane Meta-Analysis on the effectiveness of masks:
>>>>> Plain masks reduced chances of getting infected by 68%.
Other scientific articles:
The popular press: