1. Institute of Medicine, Board on Global Health, Threats, F. O. M., Morse, S., Ph. D., E., M., D. Microbial evolution and co-adaptation: a tribute to the life and scientific legacies of Joshua Lederberg: workshop summary [E-book]. In: Emerging infections: condemned to repeat? 1st ed. National Academies Press; 2009. p. 195–6.
2. Chappell JD, Dermody TS. Biology of viruses and viral diseases. In: Mandell, Douglas, and Bennett’s principles and practice of infectious diseases; 2015. p. 1681–1693.e4. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7152303/.
3. Sandaa RA, Bratbak G. Is the virus important? And some other questions. Viruses. 2018;10(8):442. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6116253/#:~:text=The%20importance%20of%20a%20virus,humans%2C%20animals%2C%20or%20crops.
4. Wu KJ. There are more viruses than stars in the universe. Why do only some infect us? National Geographic. 3 May 2021. Retrieved 19 May 2022, from https://www.nationalgeographic.com/science/article/factors-allow-viruses-infect-humans-coronavirus.
5. Are viruses alive? Microbiology Society. 10 May 2016. Retrieved 17 May 2022, from https://microbiologysociety.org/publication/past-issues/what-is-life/article/are-viruses-alive-what-is-life.html.