Genetic Engineering with Plant Viruses, and Their Potential as Vectors; The Molecular Biology of Coronaviruses; Sternorrhynchous Vectors of Plant Viruses: Virus-Vector Interactions and Transmission Mechanisms; Granulosis Viruses, with Emphasis on the GV of the Indian Meal Moth, Plodia interpunctella; Virus Structure: High-Resolution Perspectives; Viroids; Chickenpox Virus; Mosquitoes and the Incidence of Encephalitis.