IL17A and viral infectious disease: There are treatment for IL-17 such as IL17 inhibitors (Hohenberger et al., 2018) that are used as standard of care for certain inflammatory conditions (Ly et al., 2019); and further drug repurposing investigation are underway (Hohenberger et al., 2018) including for the viral infection (de Almeida Nagata et al., 2014) and COVID-19 (Bulat et al., 2020).