This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
The earliest discovery of a pathogenic microorganism was made by 
Select and explain. 
A. Augustino Bassi, B. Pollender, C. Oliver Wendell, D. Louis pasteur
A: Augustino Bassi
Answer: A: Augustino Bassi 
Explanation: The earliest discovery of a pathogenic microorganism was probably made by Augustino Bassi(1835), showed that the muscardine disease of silkworms was caused by a fungus.Ref: Ananthanarayan; 7th edition; Page no: 1