China on Monday released a detailed timeline of the country's response to the novel coronavirus disease (COVID-19), chronicling the main facts and measures it has taken in the global joint anti-virus efforts. Based on media reports and information from the National Health Commission, scientific research institutions and other departments, the timeline offers a glimpse of China's efforts in timely releasing information, sharing experience in epidemic prevention and control, and advancing international exchanges and cooperation. The following timeline is the facts that China had been cooperating with World Health Organization (WHO) in fighting COVID-19 since January.