@article{mizrahi2021results, title={Results of an early second PCR test performed on SARS-CoV-2 positive patients may support risk assessment for severe COVID-19}, author={Mizrahi, Barak and Bivas-Benita, Maytal and Kalkstein, Nir and Akiva, Pinchas and Yanover, Chen and Yehezkelli, Yoav and Kessler, Yoav and Alon, Sharon Hermoni and Rubin, Eitan and Chodick, Gabriel}, journal={Scientific Reports}, volume={11}, number={1}, pages={20463}, year={2021}, publisher={Nature Publishing Group UK London} }