How useful is it 2 a historian studying the work of koch. And pasteur
The source is useful because it is a comprehensive representation of ways of thinking about infectious diseases which help to understand Microbiology in practice, as Koch supported public health measures for controlling infectious diseases and Pasteur’s approach was to vaccinate individuals. This helps a historian studying specific problems from a practical and sometimes economic point of view and establishing the causal relationship between a particular microorganism and a specific disease. Overall this source is very useful for each historian to understand the causal relationship between a particular microorganism and a specific disease.