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Comment
. 2021 Aug 21;398(10301):661.
doi: 10.1016/S0140-6736(21)01738-4.

Revisiting the evidence for physical distancing, face masks, and eye protection

Qi Zhou  1 , Xiaoqin Wang  2 , Janne Estill  3 , Kehu Yang  4 , Yaolong Chen  5
Affiliations
Comment

Revisiting the evidence for physical distancing, face masks, and eye protection

Qi Zhou et al. Lancet. .
No abstract available

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Conflict of interest statement

We declare no competing interests.

Comment on

References

    1. Chu DK, Akl EA, Duda S, et al. Physical distancing, face masks, and eye protection to prevent person-to-person transmission of SARS-CoV-2 and COVID-19: a systematic review and meta-analysis. Lancet. 2020;395:1973–1987. - PMC - PubMed
    1. Cheng H, Jian S, Liu D, et al. High transmissibility of COVID-19 near symptom onset. medRxiv. 2020 doi: 10.1101/2020.03.18.20034561. published online March 19. (preprint). - DOI
    1. Cheng H, Jian S, Liu D, et al. Contact tracing assessment of COVID-19 transmission dynamics in Taiwan and risk at different exposure periods before and after symptom onset. JAMA Intern Med. 2020;180:1156–1163. - PMC - PubMed