Because January 2020 Elsevier has established a COVID-19 resource centre with absolutely free info in English and Mandarin about the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the corporation's public information and data website. Elsevier hereby grants authorization to generate all its COVID-19-related research that https://www.youtube.com/watch?v=vSfZ54omajo