Li Keqiang, Member of the Standing Committee of the Political Bureau of the CPC Central Committee, Premier of the State Council and Leader of Central Leading Group for COVID-19 Prevention and Control, visited the National Emergency Platform for COVID-19 Drugs and Medical Devices on February 28. He stressed that we should follow the arrangements of Central Leading Group for COVID-19 Prevention and Control, focus on key links needed urgently, make greater efforts to tackle key problems in medical science and technology, and strive to make more breakthroughs as soon as possible in efficient test reagents, effective drugs and vaccines to contribute to beating the epidemic.