Koala Retrovirus in Northern Australia Shows a Mixture of Stable Endogenization and Exogenous Lineage Diversification within Fragmented Koala Populations Publications https://jvi.asm.org/content/early/2021/01/12/JVI.02084-20 https://jvi.asm.org/content/early/2021/01/12/JVI.02084-20