CDKN2B-AS1 is involved in a large number of pathways, as shown in Figure 3A, including ‘Human immunodeficiency virus 1 infection’ and ‘coronavirus disease-COVID-19’, and the related-search functionality highlights interactions between CDKN2B-AS1 and 24 target genes (Fig. 3E) in coronavirus disease-COVID-19. Here, CDKN2B is linked to COVID-19.