COVID-19(31) Patient(25) herpes zoster(18) Treatment(16) SARS-CoV-2(15) Safety(14) coronavirus disease(12) pandemic(12) Efficacy(11) ICU(11) patients(11) pharmacokinetics(9) Impact(9) conducted(9) hospital(9) patients with COVID-19(9) amenamevir(9) Administered(8) Coronavirus disease 2019(8) Standard of care(8) Mortality(8) Randomized(8) reported(7) receiving(7) the patient(7) ventilator(7) Retrospective study(7) participant(7) was determined(7) treat(7)