International Journal of Science and Research (IJSR)
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Research Paper | Medicine Science | New Zealand | Volume 10 Issue 1, January 2021

Can People with Asymptomatic or Pre-Symptomatic COVID-19 Infect Others: A Systematic Review of Primary Data

Nelson Aguirre-Duarte

Abstract: Asymptomatic but infectious people have been reported in many infectious diseases. Asymptomatic and pre-symptomatic carriers would be a hidden reservoir of COVID-19. Aim: This review identifies primary empirical evidence about the ability of asymptomatic carriers to infect others with COVID-19 pandemic and reflects on the implications for control measures. Methods: A systematic review is followed by a narrative report and commentary inclusion criteria were: studies reporting primary data on asymptomatic or pre-symptomatic patients, who were considered to have passed on COVID-19 infection; and published in indexed journals or in peer review between January 1 and March 31, 2020. Results: Nine articles reported on 83asymptomatic or pre-symptomatic persons. Conclusions: The evidence confirmsCOVID-19 transmission from people who were asymptomatic at the time. A series of implications for health service response are laid out.

Keywords: COVID-19, Asymptomatic, Pre-symptomatic, Public Health

Edition: Volume 10 Issue 1, January 2021,

Pages: 187 - 193

Can People with Asymptomatic or Pre-Symptomatic COVID-19 Infect Others: A Systematic Review of Primary Data

How to Cite this Article?

Nelson Aguirre-Duarte, "Can People with Asymptomatic or Pre-Symptomatic COVID-19 Infect Others: A Systematic Review of Primary Data", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=SR21103035535, Volume 10 Issue 1, January 2021, 187 - 193, #ijsrnet

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