The first volume of Frans Vermeulen's Spectrum Materia Medica. This contains bacteria and viruses.

From the publisher:
Monera carries the Vermeulen signature of enlightenment and ground-breaking enquiry.
Frans Vermeulen's new book is the first of a series called Spectrum. Over the coming five years, Frans will visit all of the various Kingdoms of remedies, starting with the smallest single-celled organisms, and working up to the more complex organisms of the Animal Kingdom. He will chart a path through the periodic table, the plants, the creatures of earth air and water, the manmade and the imponderable and unclassifiable