"Version: 20250401"--Title page verso.Includes bibliographical references.1. The effect of human interference on ecology and infectious diseases / Neha P. Patel, Vibhuti Agrahari and Neeraj S. Thakur -- 2. History of viral disease / Rupal Dubey and Gopal Patel -- 3. Contagiousness and threats of most prevalent viral diseases worldwide / Venkteshwar Yadav, Dharm Pal and Anil Kumar Poonia -- 4. D…