A DNA Aptamer Based Method for Detection of SARS-CoV-2 Nucleocapsid Protein.

Since December 2019, the outbreak of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) induced human disease, the coronavirus disease 2019 (COVID-19), has been reported in more than 200 countries and areas around the world (Wu et al. 2020). By May 13, there are 4,098,018 confirmed cases with 283,271 deaths according to the World Health Organization (WHO) report, and the numbers are keeping growing fast. Rapid and accurate diagnosis of suspected cases, effective isolation of infected patients and active treatments are the most important procedures for epidemic prevention and control.