Optimal use of COVID19 Ag-RDT screening at border crossings to prevent community transmission: a modeling analysis

By Joshua M Chevaliera, Karla Therese L Sy  Sarah Girdwood  Shaukat Khan , Heidi Albert , Amy Toporowski, Emma Hannay, Sergio Carmona  Dr. Brooke Nichols  |  | 

Countries around the world have implemented restrictions on mobility, especially cross-border travel to
reduce or prevent SARS-CoV-2 community transmission. Rapid antigen testing (Ag-RDT), with on-site
administration and rapid turnaround time may provide a valuable screening measure to ease cross-border
travel while minimizing risk of local transmission. To maximize impact, we developed an optimal AgRDT screening algorithm for cross-border entry.

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