Ensitrelvir as a novel treatment option for mild-to-moderate COVID-19: a narrative literature review
To address the coronavirus disease 2019 (COVID-19) pandemic, several antiviral agents targeting severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have been developed for clinical use.However, antivirals that can be administered irrespective of risk factors were lacking until the approval of ensitrelvir fumaric acid (hereafter, ensitrelvi