Table 2  Top 20 journal categories with the highest number of articles on COVID-19 till 30 June 2020.
Rank   Categories   Number of articles
1   Medicine   5,038 (21.18%)
2   Infectious Diseases   2,204 (9.26%)
3   Cardiology and Cardiovascular Medicine   1,170 (4.92%)
4   Dermatology   708 (2.98%)
5   Public Health, Environmental and Occupational Health   531 (2.23%)
6   Neurology   525 (2.21%)
7   Gastroenterology   514 (2.16%)
8   Anesthesiology and Pain Medicine   511 (2.15%)
9   Biochemistry, Genetics, and Molecular Biology   488 (2.05%)
10   Critical Care and Intensive Care Medicine   472 (1.98%)
11   Internal Medicine   436 (1.83%)
12   Hematology   434 (1.82%)
13   Pediatrics, Perinatology, and Child Health   433 (1.82%)
14   Surgery   425 (1.79%)
15   Multidisciplinary   415 (1.74%)
16   Immunology   396 (1.66%)
17   Health Policy   347 (1.46%)
18   Radiology, Nuclear Medicine, and Imaging   337 (1.42%)
19   Epidemiology   323 (1.36%)
20   Otorhinolaryngology   299 (1.26%)