id author title date pages extension mime words sentences flesch summary cache txt cord-320646-xk77u4g0 Zumla, Alimuddin The explosive epidemic outbreak of novel coronavirus disease 2019 (COVID-19) and the persistent threat of respiratory tract infectious diseases to global health security 2020-04-09 .txt text/plain 2396 132 48 The emergence of new pathogens that cause lethal human respiratory illnesses with pandemic potential [2, 3] pose major challenges and rapidly focus the attention of global public health authorities and HCWs. Two zoonotic coronaviruses which cause lethal respiratory tract infections in humans feature on the WHO Blueprint list of priority pathogens for research and development [4] because of their pandemic potential. The World Health Organization International Health Regulations Emergency Committee declared COVID-19 outbreak a Global emergency [11] because SARS-CoV has spread rapidly within and outside China at an alarming pace and has caused considerable consternation and panic among the national, regional, and international public and political communities compounded by news media and social media hype [12] . Although the world awaits the development and evaluation of new vaccines, anti-SARS-CoV-2 specific drugs, antibody, and/or other host-directed interventions [32, 33] , public health infection control measures remain of prime importance in limiting human-to-human transmission, especially among close contacts and HCWs, and minimizing risk of international spread by identifying and isolating patients early. ./cache/cord-320646-xk77u4g0.txt ./txt/cord-320646-xk77u4g0.txt