Promising and effective methods of microscopic diagnostics - light (including immersion), dark-field and luminescent, as well as bioresonance diagnostics of disease states and their pathogens for official medicine, symptomatic in essence, turned out to be "non grata persons," that is, undesirable. That is why this book appeared, the purpose of which was to show: without identifying the biological pathogens of modern diseases, medicine is not able to prevent them and treat them qualitatively.