All the inventions !
25 September 2014
Vaccine that uses an avirulent (nondisease) strain
of bovine tuberculosis bacilli that is safer than earlier vaccines.
The people behind the invention:
Albert Calmette (1863-1933), a French microbiologist
Camille Guérin (1872-1961), a French veterinarian and
Robert Koch (1843-1910), a German physician and
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