REVIEW ARTICLE


Study of Various Diagnostic Tests for COVID-19: A Review



Manika Bhatia1, Aditri1, Shrreya Siingh1, Yashaswy1, Himanshu1, Aparna Bansal1, *
1 Hansraj College, University of Delhi, Delhi-110007, India


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Creative Commons License
© 2021 Bhatia et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Hansraj College, University of Delhi, Delhi-110007, India; E-mail: aparna_bansal@yahoo.co.in


Abstract

The coronavirus disease of 2019 (COVID-19), a nightmare of this century, has become an ongoing global health emergency for the entire world. This dreadful disease is believed to have originated from China and has now spread worldwide. To date, more than 170 million people have been found affected by this virus, namely “severe acute respiratory syndrome coronavirus-2” (SARS-CoV-2). With the exponential increase in the patients affected by the SARS-CoV-2, the need for testing has also increased tremendously. Early diagnosis is essential to prevent the extensive spread of the disease because of the faster rate of infection. In this regard, various diagnostic techniques are employed for the detection of the infection in symptomatic and asymptomatic COVID-19 individuals. To provide diagnostic care for the control of the disease, various tests like serological testing, nucleic acid amplification test (NAAT), rapid antigen-based testing, and paper-based testing have been developed and are presently in good use. The present mini-review is an attempt to outline the currently available diagnostic kits for the detection of the SARS-CoV-2 causing COVID-19.

Keywords: SARS-CoV-2, MERS-CoV-2, COVID-19, RT-PCR, RAD, NAAT.