Fujii et al., Journal of Infection and Chemotherapy,
doi:10.1016/j.jiac.2021.04.013 (Peer Reviewed)
Early favipiravir treatment was associated with early defervescence in non-severe COVID-19 patients
Retrospective 41 favipiravir patients finding that early treatment was more successful.
Fujii et al., 4/17/2021, peer-reviewed, 10 authors.