the virus-first hypothesis states that viruses ... developed the ability to infect the first cells. Could today's single-stranded RNA viruses be descendants of these precellular RNA molecules?

The Sudan virus, a close relative of Ebola, has a fatality rate of 50% but remains poorly understood in terms of how it ...

Once deep inside the cell, the virus fuses with the endosomal membrane ... The viral RNA (vRNA) is translated into a single polypeptide that is cut into ten proteins, and the viral genome is ...