The Proportion of Asymptomatic Cases Among SARS-CoV-2 Infected Patients: A Systematic Review

Abdi Birhanu; Teka Obsa Feyisa; Getahun Chala

doi:doi:10.11648/j.ejcbs.20200605.13

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The Proportion of Asymptomatic Cases Among SARS-CoV-2 Infected Patients: A Systematic Review

Abdi Birhanu, Teka Obsa Feyisa, Getahun Chala

Published in European Journal of Clinical and Biomedical Sciences (Volume 6, Issue 5)

Received: 4 August 2020 Accepted: 21 August 2020 Published: 7 September 2020

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Abstract

Even though some reports unveiled that coronavirus 2019 (COVID-19) cases can be manifested as asymptomatic, there is limited information on how much these cases are significant. Understanding the possible proportion of asymptomatic cases among confirmed patients might help in re-considering of who should be tested for the SARS-CoV-2 infection. Therefore, this study was aimed to summarize the proportion of asymptomatic cases among SARS-COV-2 infected people since the outbreak of COVID-19. Methods: Different studies were searched from databases (PubMed, Medline) by using searching terms. Finally, all eligible articles were selected by using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2009 flow diagram. Results: A total of 14 articles that reported asymptomatic cases of COVID-19 were included in this systematic review. The sample size of the studies was ranged from 8 to 2143. Out of the total cases, the overall proportion of asymptomatic cases was 25.9% that ranged from 3.23% to 78%. This systematic review also summarized that there was 17. 6%, 4.8%, and 3.23% to 62.2% of asymptomatic cases among pregnant mothers, children, and the adult general population, respectively. Conclusion and Remarks: This review showed that the proportion of asymptomatic SARS-CoV-2 infected people is high. Hence, to tackle COVID-19, all concerned bodies should strengthen the screening of asymptomatic cases as part of contact tracing efforts.

Published in	European Journal of Clinical and Biomedical Sciences (Volume 6, Issue 5)
DOI	10.11648/j.ejcbs.20200605.13
Page(s)	84-89
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2020. Published by Science Publishing Group

Keywords

Asymptomatic Cases, COVID-19, Proportion, SARS-COV-2, Systematic Review

References

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APA Style

Abdi Birhanu, Teka Obsa Feyisa, Getahun Chala. (2020). The Proportion of Asymptomatic Cases Among SARS-CoV-2 Infected Patients: A Systematic Review. European Journal of Clinical and Biomedical Sciences, 6(5), 84-89. https://doi.org/10.11648/j.ejcbs.20200605.13

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ACS Style

Abdi Birhanu; Teka Obsa Feyisa; Getahun Chala. The Proportion of Asymptomatic Cases Among SARS-CoV-2 Infected Patients: A Systematic Review. Eur. J. Clin. Biomed. Sci. 2020, 6(5), 84-89. doi: 10.11648/j.ejcbs.20200605.13

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AMA Style

Abdi Birhanu, Teka Obsa Feyisa, Getahun Chala. The Proportion of Asymptomatic Cases Among SARS-CoV-2 Infected Patients: A Systematic Review. Eur J Clin Biomed Sci. 2020;6(5):84-89. doi: 10.11648/j.ejcbs.20200605.13

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@article{10.11648/j.ejcbs.20200605.13,
  author = {Abdi Birhanu and Teka Obsa Feyisa and Getahun Chala},
  title = {The Proportion of Asymptomatic Cases Among SARS-CoV-2 Infected Patients: A Systematic Review},
  journal = {European Journal of Clinical and Biomedical Sciences},
  volume = {6},
  number = {5},
  pages = {84-89},
  doi = {10.11648/j.ejcbs.20200605.13},
  url = {https://doi.org/10.11648/j.ejcbs.20200605.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ejcbs.20200605.13},
  abstract = {Even though some reports unveiled that coronavirus 2019 (COVID-19) cases can be manifested as asymptomatic, there is limited information on how much these cases are significant. Understanding the possible proportion of asymptomatic cases among confirmed patients might help in re-considering of who should be tested for the SARS-CoV-2 infection. Therefore, this study was aimed to summarize the proportion of asymptomatic cases among SARS-COV-2 infected people since the outbreak of COVID-19. Methods: Different studies were searched from databases (PubMed, Medline) by using searching terms. Finally, all eligible articles were selected by using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2009 flow diagram. Results: A total of 14 articles that reported asymptomatic cases of COVID-19 were included in this systematic review. The sample size of the studies was ranged from 8 to 2143. Out of the total cases, the overall proportion of asymptomatic cases was 25.9% that ranged from 3.23% to 78%. This systematic review also summarized that there was 17. 6%, 4.8%, and 3.23% to 62.2% of asymptomatic cases among pregnant mothers, children, and the adult general population, respectively. Conclusion and Remarks: This review showed that the proportion of asymptomatic SARS-CoV-2 infected people is high. Hence, to tackle COVID-19, all concerned bodies should strengthen the screening of asymptomatic cases as part of contact tracing efforts.},
 year = {2020}
}

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TY - JOUR
T1 - The Proportion of Asymptomatic Cases Among SARS-CoV-2 Infected Patients: A Systematic Review
AU - Abdi Birhanu
AU - Teka Obsa Feyisa
AU - Getahun Chala
Y1 - 2020/09/07
PY - 2020
N1 - https://doi.org/10.11648/j.ejcbs.20200605.13
DO - 10.11648/j.ejcbs.20200605.13
T2 - European Journal of Clinical and Biomedical Sciences
JF - European Journal of Clinical and Biomedical Sciences
JO - European Journal of Clinical and Biomedical Sciences
SP - 84
EP - 89
PB - Science Publishing Group
SN - 2575-5005
UR - https://doi.org/10.11648/j.ejcbs.20200605.13
AB - Even though some reports unveiled that coronavirus 2019 (COVID-19) cases can be manifested as asymptomatic, there is limited information on how much these cases are significant. Understanding the possible proportion of asymptomatic cases among confirmed patients might help in re-considering of who should be tested for the SARS-CoV-2 infection. Therefore, this study was aimed to summarize the proportion of asymptomatic cases among SARS-COV-2 infected people since the outbreak of COVID-19. Methods: Different studies were searched from databases (PubMed, Medline) by using searching terms. Finally, all eligible articles were selected by using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2009 flow diagram. Results: A total of 14 articles that reported asymptomatic cases of COVID-19 were included in this systematic review. The sample size of the studies was ranged from 8 to 2143. Out of the total cases, the overall proportion of asymptomatic cases was 25.9% that ranged from 3.23% to 78%. This systematic review also summarized that there was 17. 6%, 4.8%, and 3.23% to 62.2% of asymptomatic cases among pregnant mothers, children, and the adult general population, respectively. Conclusion and Remarks: This review showed that the proportion of asymptomatic SARS-CoV-2 infected people is high. Hence, to tackle COVID-19, all concerned bodies should strengthen the screening of asymptomatic cases as part of contact tracing efforts.
VL - 6
IS - 5
ER -

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Author Information

Abdi Birhanu

School of Medicine, Haramaya University, Harar, Ethiopia
Teka Obsa Feyisa

School of Medicine, Haramaya University, Harar, Ethiopia
Getahun Chala

School of Medicine, Haramaya University, Harar, Ethiopia

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APA Style

Abdi Birhanu, Teka Obsa Feyisa, Getahun Chala. (2020). The Proportion of Asymptomatic Cases Among SARS-CoV-2 Infected Patients: A Systematic Review. European Journal of Clinical and Biomedical Sciences, 6(5), 84-89. https://doi.org/10.11648/j.ejcbs.20200605.13

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ACS Style

Abdi Birhanu; Teka Obsa Feyisa; Getahun Chala. The Proportion of Asymptomatic Cases Among SARS-CoV-2 Infected Patients: A Systematic Review. Eur. J. Clin. Biomed. Sci. 2020, 6(5), 84-89. doi: 10.11648/j.ejcbs.20200605.13

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AMA Style

Abdi Birhanu, Teka Obsa Feyisa, Getahun Chala. The Proportion of Asymptomatic Cases Among SARS-CoV-2 Infected Patients: A Systematic Review. Eur J Clin Biomed Sci. 2020;6(5):84-89. doi: 10.11648/j.ejcbs.20200605.13

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@article{10.11648/j.ejcbs.20200605.13,
  author = {Abdi Birhanu and Teka Obsa Feyisa and Getahun Chala},
  title = {The Proportion of Asymptomatic Cases Among SARS-CoV-2 Infected Patients: A Systematic Review},
  journal = {European Journal of Clinical and Biomedical Sciences},
  volume = {6},
  number = {5},
  pages = {84-89},
  doi = {10.11648/j.ejcbs.20200605.13},
  url = {https://doi.org/10.11648/j.ejcbs.20200605.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ejcbs.20200605.13},
  abstract = {Even though some reports unveiled that coronavirus 2019 (COVID-19) cases can be manifested as asymptomatic, there is limited information on how much these cases are significant. Understanding the possible proportion of asymptomatic cases among confirmed patients might help in re-considering of who should be tested for the SARS-CoV-2 infection. Therefore, this study was aimed to summarize the proportion of asymptomatic cases among SARS-COV-2 infected people since the outbreak of COVID-19. Methods: Different studies were searched from databases (PubMed, Medline) by using searching terms. Finally, all eligible articles were selected by using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2009 flow diagram. Results: A total of 14 articles that reported asymptomatic cases of COVID-19 were included in this systematic review. The sample size of the studies was ranged from 8 to 2143. Out of the total cases, the overall proportion of asymptomatic cases was 25.9% that ranged from 3.23% to 78%. This systematic review also summarized that there was 17. 6%, 4.8%, and 3.23% to 62.2% of asymptomatic cases among pregnant mothers, children, and the adult general population, respectively. Conclusion and Remarks: This review showed that the proportion of asymptomatic SARS-CoV-2 infected people is high. Hence, to tackle COVID-19, all concerned bodies should strengthen the screening of asymptomatic cases as part of contact tracing efforts.},
 year = {2020}
}

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