Effectiveness of Surgical and Cotton Masks in Blocking SARS-CoV-2: A Controlled Comparison in 4 Patients

doi:10.7326/M20-1342

. 2020 Jul 7;173(1):W22-W23.

doi: 10.7326/M20-1342. Epub 2020 Apr 6.

Effectiveness of Surgical and Cotton Masks in Blocking SARS-CoV-2: A Controlled Comparison in 4 Patients

Affiliations

¹ Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea (S.B., J.Y.K., H.C., J.J., M.K., D.K.O., S.H., S.K.).
² Chung-Ang University Hospital, Seoul, South Korea (M.K., M.L., S.C., J.C.).
³ Clinical Research Center, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea (J.S.L.).
⁴ Sejong University, Seoul, South Korea (M.S.).

PMID: 32251511
PMCID: PMC7153751
DOI: 10.7326/M20-1342

Effectiveness of Surgical and Cotton Masks in Blocking SARS-CoV-2: A Controlled Comparison in 4 Patients

Seongman Bae et al. Ann Intern Med. 2020.

. 2020 Jul 7;173(1):W22-W23.

doi: 10.7326/M20-1342. Epub 2020 Apr 6.

Authors

Affiliations

¹ Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea (S.B., J.Y.K., H.C., J.J., M.K., D.K.O., S.H., S.K.).
² Chung-Ang University Hospital, Seoul, South Korea (M.K., M.L., S.C., J.C.).
³ Clinical Research Center, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea (J.S.L.).
⁴ Sejong University, Seoul, South Korea (M.S.).

PMID: 32251511
PMCID: PMC7153751
DOI: 10.7326/M20-1342

Retraction in

Notice of Retraction: Effectiveness of Surgical and Cotton Masks in Blocking SARS-CoV-2.
Bae S, Kim MC, Kim JY, Cha HH, Lim JS, Jung J, Kim MJ, Oh DK, Lee MK, Choi SH, Sung M, Hong SB, Chung JW, Kim SH. Bae S, et al. Ann Intern Med. 2020 Jul 7;173(1):79. doi: 10.7326/L20-0745. Epub 2020 Jun 2. Ann Intern Med. 2020. PMID: 32479106 Free PMC article. No abstract available.

No abstract available

Keywords: COVID-19; Coughing; Oral health; Penicillin; Phosphates; Serum albumin; Streptomycin; Upper respiratory tract infections; Viral load; Viral transmission and infection.

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Fundamental protective mechanisms of face masks against droplet infections.
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Sharma SK, Mishra M, Mudgal SK. Sharma SK, et al. J Educ Health Promot. 2020 Jul 28;9:192. doi: 10.4103/jehp.jehp_533_20. eCollection 2020. J Educ Health Promot. 2020. PMID: 33015206 Free PMC article. Review.
Notice of Retraction: Effectiveness of Surgical and Cotton Masks in Blocking SARS-CoV-2.
Bae S, Kim MC, Kim JY, Cha HH, Lim JS, Jung J, Kim MJ, Oh DK, Lee MK, Choi SH, Sung M, Hong SB, Chung JW, Kim SH. Bae S, et al. Ann Intern Med. 2020 Jul 7;173(1):79. doi: 10.7326/L20-0745. Epub 2020 Jun 2. Ann Intern Med. 2020. PMID: 32479106 Free PMC article. No abstract available.

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References

1. Johnson DF, Druce JD, Birch C, et al. A quantitative assessment of the efficacy of surgical and N95 masks to filter influenza virus in patients with acute influenza infection. Clin Infect Dis. 2009;49:275-277. [PMID: 19522650] doi:10.1086/600041. - PubMed
1. Feng S, Shen C, Xia N, et al. Rational use of face masks in the COVID-19 pandemic. Lancet Respir Med. 20 March 2020. [Epub ahead of print]. [PMID: 32203710] doi:10.1016/S2213-2600(20)30134-X. - PMC - PubMed
1. Oberg T, Brosseau LM. Surgical mask filter and fit performance. Am J Infect Control. 2008;36:276-282. [PMID: 18455048] doi:10.1016/j.ajic.2007.07.008. - PMC - PubMed
1. Lee SA, Grinshpun SA, Reponen T. Respiratory performance offered by N95 respirators and surgical masks: human subject evaluation with NaCl aerosol representing bacterial and viral particle size range. Ann Occup Hyg. 2008;52:177-185. [PMID: 18326870] doi:10.1093/annhyg/men005. - PMC - PubMed
1. Ksiazek TG, Erdman D, Goldsmith CS, et al; SARS Working Group. A novel coronavirus associated with severe acute respiratory syndrome. N Engl J Med. 2003;348:1953-1966. [PMID: 12690092] - PubMed

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[1] Johnson DF, Druce JD, Birch C, et al. A quantitative assessment of the efficacy of surgical and N95 masks to filter influenza virus in patients with acute influenza infection. Clin Infect Dis. 2009;49:275-277. [PMID: 19522650] doi:10.1086/600041. - PubMed

[2] Johnson DF, Druce JD, Birch C, et al. A quantitative assessment of the efficacy of surgical and N95 masks to filter influenza virus in patients with acute influenza infection. Clin Infect Dis. 2009;49:275-277. [PMID: 19522650] doi:10.1086/600041. - PubMed

[3] Feng S, Shen C, Xia N, et al. Rational use of face masks in the COVID-19 pandemic. Lancet Respir Med. 20 March 2020. [Epub ahead of print]. [PMID: 32203710] doi:10.1016/S2213-2600(20)30134-X. - PMC - PubMed

[4] Feng S, Shen C, Xia N, et al. Rational use of face masks in the COVID-19 pandemic. Lancet Respir Med. 20 March 2020. [Epub ahead of print]. [PMID: 32203710] doi:10.1016/S2213-2600(20)30134-X. - PMC - PubMed

[5] Oberg T, Brosseau LM. Surgical mask filter and fit performance. Am J Infect Control. 2008;36:276-282. [PMID: 18455048] doi:10.1016/j.ajic.2007.07.008. - PMC - PubMed

[6] Oberg T, Brosseau LM. Surgical mask filter and fit performance. Am J Infect Control. 2008;36:276-282. [PMID: 18455048] doi:10.1016/j.ajic.2007.07.008. - PMC - PubMed

[7] Lee SA, Grinshpun SA, Reponen T. Respiratory performance offered by N95 respirators and surgical masks: human subject evaluation with NaCl aerosol representing bacterial and viral particle size range. Ann Occup Hyg. 2008;52:177-185. [PMID: 18326870] doi:10.1093/annhyg/men005. - PMC - PubMed

[8] Lee SA, Grinshpun SA, Reponen T. Respiratory performance offered by N95 respirators and surgical masks: human subject evaluation with NaCl aerosol representing bacterial and viral particle size range. Ann Occup Hyg. 2008;52:177-185. [PMID: 18326870] doi:10.1093/annhyg/men005. - PMC - PubMed

[9] Ksiazek TG, Erdman D, Goldsmith CS, et al; SARS Working Group. A novel coronavirus associated with severe acute respiratory syndrome. N Engl J Med. 2003;348:1953-1966. [PMID: 12690092] - PubMed

[10] Ksiazek TG, Erdman D, Goldsmith CS, et al; SARS Working Group. A novel coronavirus associated with severe acute respiratory syndrome. N Engl J Med. 2003;348:1953-1966. [PMID: 12690092] - PubMed

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Retracted article

Effectiveness of Surgical and Cotton Masks in Blocking SARS-CoV-2: A Controlled Comparison in 4 Patients

Affiliations

Effectiveness of Surgical and Cotton Masks in Blocking SARS-CoV-2: A Controlled Comparison in 4 Patients

Authors

Affiliations

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