The fossils called homo floresiensis were dated to:

The fossils called homo floresiensis were dated to 18,000 yBP.  H. floresiensis individuals stood approximately 3 feet 6 inches tall, had tiny brains, large teeth for their small size, shrugged-forward shoulders, no chins, receding foreheads, and relatively large feet due to their short legs. They made and used stone tools, hunted small elephants and large rodents, coped with predators such as Komodo dragons, and may have used fire. 

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.