The high mutation rate of RNA viruses is credited with their evolvability and virulence. This Primer, however, discusses recent evidence that this is, in part, a byproduct of selection for faster genomic replication.
Research Support, U.S. Gov't, Non-P.H.S.
SD was funded by the US National Science Foundation 1453241. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.