“High Rate Prevalence of Asymptomatic SARS-CoV-2 Infection: Comparative Epidemiology With Other Pandemic Flu and Impact on COVID 19 Control Measures”. International Journal of Pharmaceutical Sciences and Drug Research 12, no. 4 (July 30, 2020): 415–421. Accessed September 23, 2025. https://ijpsdronline.com/index.php/journal/article/view/1853.