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

Journal: International Journal of Science and Research (IJSR) (Vol.10, No. 1)

Publication Date:

Authors : ;

Page : 187-193

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

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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.

Last modified: 2021-06-26 17:59:53