Читать книгу Principles of Virology - Jane Flint, S. Jane Flint - Страница 30

Although viruses have been known as distinct biological entities for only about 120 years, evidence of viral infection can be found among the earliest recordings of human activity, and methods for combating viral disease were practiced long before the first virus was recognized. Consequently, efforts to understand and control these important agents of disease began only in the last century.