The book "Experimental studies on the question "Is the fear of the transmission of diseases by telephone justified?" Inaugural thesis for the degree of Doctor of Medicine, Surgery and Obstetrics of the Higher Medical Faculty in König by the author Carl Weiss. Investigating the possibility of disease transmission through telephone communication, the author seeks to reveal important aspects of safety in public health issues. This thesis offers a qualitative approach to the consideration of such a topic, which can cause a lot of controversy and doubt. The author uses the scientific method and detailed experiments to study the phenomenon and reveal its essence."