USA HISTORY

Detailed explanation-1: -The germ theory of disease states that many diseases are caused by microorganisms such as bacteria, viruses, protozoa, or fungi. These diseases are caused by the growth and replication of microorganisms. The germ theory of disease was devised by Louis Pasteur.

Detailed explanation-2: -During his experiments in the 1860s, French chemist Louis Pasteur developed modern germ theory. He proved that food spoiled because of contamination by invisible bacteria, not because of spontaneous generation. Pasteur stipulated that bacteria caused infection and disease.

Detailed explanation-3: -1 Introduction. The “one pathogen to one disease” paradigm was developed based on the germ theory of disease that was formulated by Robert Koch the late 19th century and shaped the development of diagnostic microbiology in medicine.

Detailed explanation-4: -Germ theory states that specific microscopic organisms are the cause of specific diseases. The theory was developed, proved, and popularized in Europe and North America between about 1850 and 1920.

Detailed explanation-5: -Germ theory Before Pasteur’s time, most people, including scientists, believed that all disease came from inside the body rather than from outside. Pasteur’s findings eventually led to improvements in sterilizing and cleaning in medical practices and antiseptic methods in surgery.