Γκέρχαρντ Αρμάουερ Χάνσεν: Διαφορά μεταξύ των αναθεωρήσεων

'''Gerhard Henrik Armauer Hansen''' (29 July 1841 – 12 February 1912) was a Norwegian physician, remembered for his identification of the [[Bacteria|bacterium]] ''[[Mycobacterium leprae]]'' in 1873 as the causative agent of [[leprosy]].<ref name=Hansen_1874>{{cite journal | author = Hansen GHA | title = Undersøgelser Angående Spedalskhedens Årsager (Investigations concerning the etiology of leprosy) | journal = Norsk Mag. Laegervidenskaben | year = 1874 | volume = 4| pages = pp. 1–88 | language = Norwegian }}</ref><ref name=Irgens_2002>{{cite journal |author=Irgens L |title=The discovery of the leprosy bacillus |journal=Tidsskr Nor Laegeforen |volume=122 |issue=7 |pages=708–9 |year=2002 |pmid=11998735}}</ref>

 

 

Leprosy was regarded as largely [[hereditary]] or otherwise [[miasma theory of disease|miasmic]] in origin. Hansen concluded on the basis of [[Epidemiology|epidemiological]] studies that leprosy was a specific [[disease]] with a specific cause.<ref name=Irgens_1984>{{cite journal |author=Irgens L |title=The discovery of Mycobacterium leprae. A medical achievement in the light of evolving [[scientific method]]s |journal=Am J Dermatopathol |volume=6 |issue=4 |pages=337–43 |year=1984 |pmid=6388392}}</ref> In 1870-71 Hansen travelled to [[Bonn]] and [[Vienna]] to gain the training necessary for him to prove his [[hypothesis]].<ref name="Hansen">{{cite web | url=http://www.whonamedit.com/doctor.cfm/596.html | title=Gerhard Henrik Armauer Hansen | work=whonamedit.com | accessdate=2007-03-22}}</ref> In 1873, as he announced the discovery of ''Mycobacterium leprae'' in the tissues of all sufferers, although he did not identify them as bacteria, and received little support.<ref name=Hansen />