Chathappady House, Nihala Naseefa, et al. “COVID-19 Recurrence and Reinfection of SARS CoV-2 ”. American Journal of Translational Medicine, vol. 5, no. 4, Dec. 2021, pp. 173-81, https://ajtm.journals.publicknowledgeproject.org/index.php/ajtm/article/view/1751.