美國現有的GPS的備用系統LORAN-C已屆臨關閉階段,2009年美國聯邦國土安全部(Department of Homeland Security)曾對LORAN-C進行升級,升級版稱之為eLORAN。不過依據美國海岸防衛隊今年一月於聯邦公報上的公告,2010年10月前將拆除LORAN-C,屆時eLORAN亦將失效。
Hammond, Jennifer, et al. “Oral nirmatrelvir for high-risk, nonhospitalized adults with COVID-19.” New England Journal of Medicine 386.15 (2022): 1397-1408.
Hammond, Jennifer, et al. “Oral nirmatrelvir for high-risk, nonhospitalized adults with COVID-19.” New England Journal of Medicine 386.15 (2022): 1397-1408.
Cox, Robert M., Josef D. Wolf, and Richard K. Plemper. “Therapeutically administered ribonucleoside analogue MK-4482/EIDD-2801 blocks SARS-CoV-2 transmission in ferrets.” Nature microbiology 6.1 (2021): 11-18.
Jayk Bernal, Angélica, et al. “Molnupiravir for oral treatment of Covid-19 in nonhospitalized patients.” New England Journal of Medicine 386.6 (2022): 509-520.
臨床試驗
EPIC-HR: Study of Oral PF-07321332/Ritonavir Compared With Placebo in Nonhospitalized High Risk Adults With COVID-19(NCT04960202)