📚 J Adv Res Articles (1) COVID-19 infection: Origin, transmission, and characteristics of human coronaviruses. 👤 Shereen, Muhammad Adnan 👤 Khan, Suliman 👤 Kazmi, Abeer 👤 Bashir, Nadia 👤 Siddique, Rabeea ⏰ 2020 📚 J Adv Res