1. Viruses take center stage in cellular evolution;Claverie;Genome Biol,2006
2. What does virus evolution tell us about virus origins?;Holmes;J Virol,2011
3. https://www.cdc.gov/ncezid/stories-features/global-stories/ebola-reservoir-study.html.
4. Viral mutation rates;Sanjuán;J Virol,2010
5. The diversity of human RNA viruses;Woolhouse;Future Virol,2013