CNKI"CNKI OA platform for all literatures published regarding COVID-19. This platform aims to fight against the epidemic as soon as possible, and to facilitate the wide spread of research achievements across China and the world. It divides the research results of COVID-19 into 6 stages: Pathogeny, Prevention, Diagnosis, Treatment, Prognosis and Nursing. The cost for open access publication and related services will be completely covered by our company."