Molecular and Cellular Signaling by Martin Beckerman
Makes connections between diseases, drugs and signaling in those chapters not specifically devoted to pathogens.
Reviews background in first 5 chapters then offers chapters on cancers and apoptosis and on bacteria and viruses.
Signaling in the immune, endocrine (hormonal) and nervous systems covered along with cancer, apoptosis and gene regulation.
Each chapter ends with a problem section to facilitate discussion.