Evaluation of RNA Extraction-Free Method for Detection of SARS-CoV-2 in Salivary Samples for Mass Screening for COVID-19

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" colspan="2">NPS sample (BGI kit)</td><td class="align_center">Positive</td><td class="align_center">Negative</td><td class="align_center">Total</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left" rowspan="3">RNA extraction-free method for saliva (BGI kit)</td><td class="align_center">Positive</td><td class="align_center">109</td><td class="align_center">10</td><td class="align_center">119</td></tr><tr><td class="align_center">Negative</td><td class="align_center">19</td><td class="align_center">116</td><td class="align_center">135</td></tr><tr><td class="align_center">Total</td><td class="align_center">128</td><td class="align_center">126</td><td class="align_center">254</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

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BioMed Research International

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Table 3

Table 3: Evaluation of RNA Extraction-Free Method for Detection of SARS-CoV-2 in Salivary Samples for Mass Screening for COVID-19 