Reproduction

The time seems ripe for a critical compendium of that segment of the biological universe we call viruses. Virology, as a science, having only recently passed through its descriptive phase of naming and num­ bering, has probably reached that stage at which relatively few new­ truly new-viruses will be discovered. Triggered by the intellectual probes and techniq ues of molecular biology, genetics, biochemical cytology, and high-resolution microscopy and spectroscopy, the field has experienced a ge