Koch Germany

discovery date of tuberculosis bacillus and what nationality?

medical discoveries

The bacillus-causing tuberculosis, Mycobacterium tuberculosis, was identified and described on March 24, 1882 by Robert Koch (Germany). He received the Nobel Prize in physiology or medicine in 1905 for this discovery. Koch did not believe that bovine (cattle) and human tuberculosis were similar, which held back the recognition of infected milk as a source of infection. Later, this source was eliminated by the pasteurization process. Koch announced a glycerine extract of the tubercle bacilli as a "remedy" for tuberculosis in 1890, calling it 'tuberculin'. It was not effective, but was later adapted by von Pirquet in a test for pre-symptomatic tuberculosis.

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Vintage Koch Harmonica Key of G Chromatic 10 Hole W Slide Brass
Vintage Koch Harmonica Key of G Chromatic 10 Hole W Slide Brass
$19.99
Vintage Koch Chromatic Harmonica Key of C Origional Box Made in Germany
Vintage Koch Chromatic Harmonica Key of C Origional Box Made in Germany
$68.00
VINTAGE KOCH HARMONICA CHROMATIC MADE IN GERMANY
VINTAGE KOCH HARMONICA CHROMATIC MADE IN GERMANY
$39.73
Vintage HarmonicaAlpinaMade by Koch in GermanyDouble SidedSweet SoundGreat
Vintage HarmonicaAlpinaMade by Koch in GermanyDouble SidedSweet SoundGreat
$36.00
Koch Harmonica Vintage Genuine Chromatic Key of C Made In Germany FREE SHIPPING
Koch Harmonica Vintage Genuine Chromatic Key of C Made In Germany FREE SHIPPING
$47.77
KOCH CHROMATIC HARMONICA 980 40 Key of C from GERMANY FREE SHIPPING KOCH CHROM
KOCH CHROMATIC HARMONICA 980 40 Key of C from GERMANY FREE SHIPPING KOCH CHROM
$9.99
KOCH CHROMATIC HARMONICA Key of C Made In GERMANY
KOCH CHROMATIC HARMONICA Key of C Made In GERMANY
$5.00
KOCH Harmonica Chromatic Made in Germany excellent condition in original box
KOCH Harmonica Chromatic Made in Germany excellent condition in original box
$85.00
ALPINA KOCH HARMONICA Vintage Near Mint Condition w Box
ALPINA KOCH HARMONICA Vintage Near Mint Condition w Box
$39.00
Vintage Rare Alpina Koch Harmonica  Deluxe Hard Carrying Case Keys of C and G
Vintage Rare Alpina Koch Harmonica Deluxe Hard Carrying Case Keys of C and G
$36.00
KOCH Harmonica Chromatic Made in Germany excellent condition in original box
KOCH Harmonica Chromatic Made in Germany excellent condition in original box
$340.00
Vintage KOCH Harmonica Chromatic Made in Germany in original box Key of C
Vintage KOCH Harmonica Chromatic Made in Germany in original box Key of C
$59.99
THE HOHNER CHROMATIC KOCH HARMONICA MADE IN GERMANY IN KEY OF C
THE HOHNER CHROMATIC KOCH HARMONICA MADE IN GERMANY IN KEY OF C
$19.99
KOCH Harmonica Box Chromatic Made in Germany Box Only
KOCH Harmonica Box Chromatic Made in Germany Box Only
$11.99
KOCH HARMONICA ORCHESTRA  Made in Germany
KOCH HARMONICA ORCHESTRA Made in Germany
$39.99
Koch Harmonica Chromatic Made in West Germany Tuned to C
Koch Harmonica Chromatic Made in West Germany Tuned to C
$22.99
Vintage CHROMATIC KOCH H HARMONICA With Box Made in Germany
Vintage CHROMATIC KOCH H HARMONICA With Box Made in Germany
$29.00
Chromatic Hohner Koch Harmonica 980 40 Key of C Made in Germany
Chromatic Hohner Koch Harmonica 980 40 Key of C Made in Germany
$139.00
CHRONOMATIC KOCH HARMONICA KEY OF C IN ORIG BOX MADE IN GERMANY
CHRONOMATIC KOCH HARMONICA KEY OF C IN ORIG BOX MADE IN GERMANY
$27.99
Vintage Koch Chromatic Harmonica C
Vintage Koch Chromatic Harmonica C
$24.98
Vintage Koch Harmonica Chromatic Made in Germany in original box
Vintage Koch Harmonica Chromatic Made in Germany in original box
$39.99
Vintage Chromatic Koch Hermonica Made In Germany
Vintage Chromatic Koch Hermonica Made In Germany
$15.85
VINTAGE KOCH ORCHESTRA C HARMONICA GERMAN MADE
VINTAGE KOCH ORCHESTRA C HARMONICA GERMAN MADE
$119.99
Vintage Red Koch Harmonica Harmonium Key Of C Made in Germany Rare
Vintage Red Koch Harmonica Harmonium Key Of C Made in Germany Rare
$95.00
VINTAGE GERMAN HARMONICA EDUCATOR BASS KOCH MADE IN GERMANY DRGM 965130
VINTAGE GERMAN HARMONICA EDUCATOR BASS KOCH MADE IN GERMANY DRGM 965130
$289.99
VINTAGE POST WW2 Koch Harmonica Tuned to C MADE IN WEST GERMANY
VINTAGE POST WW2 Koch Harmonica Tuned to C MADE IN WEST GERMANY
$49.99
Vintage Chromatic Koch Harmonica Original Box Key of C Free Shipping
Vintage Chromatic Koch Harmonica Original Box Key of C Free Shipping
$35.00
KOCH CHROMATIC HARMONICA 980 40 Key of C from GERMANY in ORIGINAL BOX
KOCH CHROMATIC HARMONICA 980 40 Key of C from GERMANY in ORIGINAL BOX
$55.00
Koch Chromatic Harmonica Made in Germany in Original Box Key of C
Koch Chromatic Harmonica Made in Germany in Original Box Key of C
$29.99
Germany Koch Chromatic Harmonica 980 40 M C
Germany Koch Chromatic Harmonica 980 40 M C
$39.99
Old Vintage CHROMATIC KOCH HARMONICA 980 40 M Key of C With Box Made in Germany
Old Vintage CHROMATIC KOCH HARMONICA 980 40 M Key of C With Box Made in Germany
$57.95
Vintage Antique Chromatic Koch Harmonica Key C Made in Germany
Vintage Antique Chromatic Koch Harmonica Key C Made in Germany
$34.50


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