It is said that one of the most important subjects for the wellness of human beings in this and coming centuries is the development of the way to win the battle against viruses. This book shows that the substrate selectivity of viral nucleic acid polymerases is different from that of human nucleic acid polymerases, and by taking the advantage of the differece, it is possible to develop anti-viral modified nucleosides that are selectively active to viruses and not toxic to human beings. Thus, you will find one very important way to win the battle in this book. As an example, you will realize...