Open China HowNet official website, enter COVID-19 in the search field, and select the year as 2020 in the displayed search results. You can see that there are 2064 results.

China HowNet, also known as "China Journal Network", is the largest academic paper database and academic electronic resource integrator in China. This website was initiated by Tsinghua University and Tsinghua Tongfang and established at 1996. In China, there are also literature database retrieval platforms that aggregate intellectual copyright resources such as Wanfang, Weipu and Superstar.