Kushwaha, Ashish Kumar VermaShrabani Mallick, Biru Rajak2,. “A Statistical Approach To Analyse Infectivity Of Pre-Symptomatic Sars-Cov-2 Carriers Against Testing Delays”. Design Engineering (July 19, 2021): 3791- 3802. Accessed May 8, 2024. http://thedesignengineering.com/index.php/DE/article/view/2808.