The sources primarily feature "Inventing Viruses," an article that traces the evolution of the concept of a virus over time, highlighting how its definition has been shaped by technological advances and changing scientific perspectives. The article explores the transition from a vague idea of a pathogen to that of a complex biological entity, influenced by tools such as bacteriological filters and the electron microscope. Additionally, an overview of the first volume of the Annual Review of Virology is provided, which includes Summers's article and other studies on various aspects of modern virology. Finally, the first volume of the Annual Review of Statistics and Its Application, another scholarly resource, is introduced.
