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The French Louis Pasteur (1822–1895) and German Robert Koch (1843–1910) are the two greatest figures in medical microbiology and in establishing acceptance of the germ theory of disease (germ theory). [1] In 1882, fueled by national rivalry and a language barrier, the tension between Pasteur and the younger Koch erupted into an acute ...
Epidemics of the 19th century were faced without the medical advances that made 20th-century epidemics much rarer and less lethal. Micro-organisms (viruses and bacteria) had been discovered in the 18th century, but it was not until the late 19th century that the experiments of Lazzaro Spallanzani and Louis Pasteur disproved spontaneous generation conclusively, allowing germ theory and Robert ...
A representation by Robert Seymour of the cholera epidemic depicts the spread of the disease in the form of poisonous air.. The miasma theory was the predominant theory of disease transmission before the germ theory took hold towards the end of the 19th century; it is no longer accepted as a correct explanation for disease by the scientific community.
This began the path to germ specificity within the theory. [49] Louis Pasteur's contemporary Robert Koch devoted much of his scientific study to discovering certain pathogens and connecting them to specific diseases. These scientists were often in competition with one another and so the Koch-Pasteur rivalry is a well-known part of germ theory's ...
Egyptː 1883 Cholera epidemic in Cairo. In late June 1883, the first cases of cholera in Egypt, recently occupied by the British Empire in 1882, occurred in the port city of Damietta on the Mediterranean coast and rapidly spread in the Nile Delta and throughout the country in the summer and autumn, [26] "notwithstanding cordons maintained with a degree of severity and cruelty almost unexampled ...
Operations at the Pantex nuclear weapons plant have been paused until further notice Tuesday evening as nuclear security officials monitor wildfires near the facility northeast of Amarillo.
In contrast, the germ theory held that the principal cause of cholera was a germ cell that had not yet been identified. Snow theorised that this unknown germ was transmitted from person to person by individuals ingesting water. John Simon, a pathologist and the lead medical officer for London, labelled Snow's germ theory as "peculiar". [6]
Texas Star Mushrooms, which attach themselves to decaying cedar elm stumps, have been found in just 16 counties in central and northern Texas, researchers at the Botanical Research Institute of ...