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In the infant stages of this disease in Europe, many ineffective and dangerous treatments were used. The aim of treatment was to expel the foreign, disease-causing substance from the body, so methods included blood-letting, laxative use, and baths in wine and herbs or olive oil. [67] Mercury was a common, long-standing treatment for syphilis. [68]
In some infectious diseases, the severity of symptoms has been shown to be dependent on specific genetic traits of the host. [6] [7] 4. Organisms that look alike but behave differently: In some cases a harmless organism exists which looks identical to a disease causing organism with a microscope, which complicates the discovery process. [8] 5.
The disease also helped weaken the Native American population and made them more susceptible to other diseases. However, the theory that supposed resistance to Malaria is the reason for the use of Black labour on the plantation complexes, as opposed to economic or social reasons, has been questioned by historians of American and Caribbean slavery.
Throughout history, the disease tuberculosis has been variously known as consumption, phthisis, and the White Plague. It is generally accepted that the causative agent, Mycobacterium tuberculosis originated from other, more primitive organisms of the same genus Mycobacterium.
Aside from that, most of the major infectious diseases known today originated in the Old World. The American era of limited infectious disease ended with the arrival of Europeans in the Americas and the Columbian exchange of microorganisms, including those that cause human diseases. European infections and epidemics had major effects on Native ...
The disease, which originated in Asia, was first brought to Europe by the invading Huns in 370. Later invasions of Mongols , led by Genghis Khan and his army, started pandemics in Europe in 1222, 1233 and 1238.
AIDS is caused by a human immunodeficiency virus (HIV), which originated in non-human primates in Central and West Africa. While various sub-groups of the virus acquired human infectivity at different times, the present pandemic had its origins in the emergence of one specific strain – HIV-1 subgroup M – in Léopoldville in the Belgian ...
Disease Discoverer 2600 BC: Malaria [1] 1900 BC: Rabies: 1600 BC: Cancer: Hippocrates: ca 300: Dengue: Jin Dynasty (266–420) 9th century: Measles: Muhammad ibn Zakariya al-Razi: 14th century: African trypanosomiasis: First described by Arab traders [2] 1798: Color blindness: John Dalton: 1798: Amyotrophic lateral sclerosis: John Dalton: 1881 ...