Marilyn Roosinck is the author of Virus: An Illustrated Guide to 101 Incredible Microbes. From her Q&A with Debra Liese at the Princeton University Press blog:
Why 101 viruses?--Marshal Zeringue
MR: The original plan was to include 100 viruses, a nice round number and enough to allow a broad range of viruses, including those infecting all the major host groups, from bacteria to humans. Near press time the Zika virus outbreak in Brazil was attracting a lot of attention in the press, so we felt it was important to include Zika. We did not really want to remove one of the viruses that were already in the book, because these were chosen carefully, and each entry seemed important for the complete picture, so, borrowing from Hollywood, we decided 101 would also have a nice ring.
How did you choose the viruses described in the book?
MR: Making up the list of viruses to include in the book took a lot of thought. I wanted to cover every type of virus and every type of host. I also wanted to include some viruses that people would be very aware of, like influenza and Ebola. There are more human viruses in the book than those that infect any other host, because they are more thoroughly studied, and most of them are familiar to people. I also wanted to include viruses that were...[read on]