Portal:Viruses/Did you know/28

...that the p19 protein (dimer pictured) evolved in an arms race between plants and viruses?
...that HPgV-2 is the second human Pegivirus ever discovered?
...that humans and horses are dead-end hosts for the West Nile virus?
...that David A. Cooper diagnosed the first case of HIV in Australia?
...that there is indirect, but unconfirmed, evidence of certain diseases being spread by toilet plume?