Infection with pathogenic filoviruses, such as _Zaire ebolavirus_ (Ebola virus, EBOV), can cause severe hemorrhagic fever in humans, resulting in frequent outbreaks with case fatality rates as high as 90%.[A225933, A225938] Virtually all steps of the EBOV lif…

Baricitinib is a Janus kinase (JAK) inhibitor. JAKs are tyrosine protein kinases that play an important role in pro-inflammatory signaling pathways. Overactive JAKs have been implicated in autoimmune disorders, such as rheumatoid arthritis. By inhibiting the …

GS-441524 is an adenosine nucleotide analog antiviral, similar to [remdesivir].[A203057,L13239] This molecule was patented in 2009.[L13775] _In vitro_ studies of GS-441524 have determined it has a higher EC₅₀ than remdesivir against a number of vir…

Molnupiravir (EIDD-2801, MK-4482) is the isopropylester prodrug of [N4-hydroxycytidine].[A193014,A193026] With improved oral bioavailability in non-human primates, it is hydrolyzed _in vivo_, and distributes into tissues where it becomes the active 5’-triphos…

N4-Hydroxyctidine, or EIDD-1931, is a ribonucleoside analog which induces mutations in RNA virions.[A193008,A193011] N4-hydroxycytidine was first described in the literature in 1980 as a potent mutagen of bacteria and phage.[A193023] It has shown antiviral ac…

PF-07304814 is a small molecule prodrug that targets the 3CL^pro protease (M^pro), which is used by viruses like SARS-CoV-2 to assemble and multiply[L31718]. Once administered through intravenous infusion, the compound is cleaved into PF-0…

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of coronavirus disease 2019 (COVID-19), which is a respiratory disease that is capable of progressing to viral pneumonia and acute respiratory distress syndrome (ARDS); COVID-…