The Germ Theory of Disease

Germ Theory of Disease

Before the Germ theory of disease, the causes suggested for the occurrence of disease were the effect of supernatural phenomena like planetary alignments, effect of bad bodily humors and the faulty environment. For example, in ancient Greece, it was thought that disease was spread not via direct contact with other infected individuals, but rather via infectious “seeds” in the air or food products. The predominant theory until germ theory of disease was eventually accepted in the 19th century was termed … Read more