title: Visualizing virus fitness gains.
authors.forename: J J
authors.initials: JJ
authors.lastname: Holland
mesh_terms: D017123:Bacteriophage T7 / Q000235:genetics / Q000502:physiology*; D005075:Biological Evolution; D009154:Mutation; D010948:Viral Plaque Assay; D014773:Virology / Q000379:methods*; D014779:Virus Replication / Q000235:genetics