Seattle daily post-intelligencer. [volume] (Seattle, W.T. [Wash.]) 1881-1888, 1882-06-08
DAILY POSf-MfELLI9EICBR.


O0x0x WA - AAs~~AseS 49, 1850
xarw.x DasCovERY IN Tun8RCr.
Lac DISEASE
DR.. Koch, Government Adviser of
The Imperial Health Department Of
Berlin, has lately Published . series OF
sssults Of investigations into the Ell
oieey OF infsctivs disorders; the last
IN the form Of IN address read before
~ Bselia Physiological Society on the
g E>aolesy Of Tubsrsula. Dissass-" In
TIA - elains 20 have Discovered easilH,
parseitss which infsst tubsfsolsf p
1jssss. Prior 70 his sIDeeimsots, It has
been established bsysnd doobt that tn
heeoulsx disease Was communicable,
- ths nature Of Shs ssntagioo was
etiil . mystery. This discovery 10 Of
great Importance; foe, thouaA no pfas-
tisal result 80 - b derived from it
that can nssoislly alsss - treatment
q this dissase, farsass investigation
viii no dsabs tAssv mess light on the
snbjsst. We give . ssodsnssd sooouns
Of some Of his sxpseinsntA taxa from
. Isttes b Pssf. JeAa Ty1dAll b the
Lsndes Dolly Times. "Pssmit NJ 70
aivs . furthse. though still brief AID
shstshy ssseaut Of Keoh's sxpsRimsnts.
OF dx 0oisss Ply Ill in Reod hsalth
feus veeo iaesulated with baeilli de-
rived eRigiAaliy frsas human lung,
vhisA in Afty-fous days had produced
~ successive esassa$ions. Two Of
~ aaimals ~ ut Infected. In every
- u ~ infsstsd sasss the Guinea
- slsksned and last Assh. After thir-
ty-tvs lsys sns Of them disd; and
afSse thirty Ave dsys, the remaining hvs
vUso killed aad sxaminsd. In the Gui-
~ pig thst died, and in the three re-
aaining Infected ONES. strongly pre-
Rsanssd tuberoulaf disease had ct in.
6D,ssn, liver and lungs we're found
AIlsd With tubsfolss; whils in the two
uniafeeted animais.no trace of the dis
ease Was sbaeRvsd. In . second sx-
psrinsnt, nix cut Of eight Guinea piRs
vsre ineoulstsd With cultivated baoilli,
derived originally from the tuberculous
lang Of . msnksy, bred and rs-bred for
sinsty-Av days, until eight generations
had bssn produced. Every one OF these
animals vas attacked, while tho two
aninfeeted Guinsa-piRs remained very
healthy. Similar experiments were
0ade with cats, rabbits, rats, mice and
ether animals. and. without exception,
h ~ found that the injection of the
parasite into the animal system was
followed BY decided and in most cases
virulent tubsrcular disease. In tie Ca
sss thus fer mentioned, inoculation had
been affected in the abdomen. The
place Of inoeulation was afterward
changed 10 she aqueous humor Of the
eye. Three rabbits received each a
spsck Of bacillus culture derived origi-
nally from human lung affected with
pnsunenis. Eighty-nins days. had
bssn devoted to the culture Of the organ
ism. The infected rabbits rapidly
lost fssh, and after twenty-five days
vsrs killed and examined. The lungs
Of every one Of them wa found charged
With tubcroles. OF three other rabbits
one received an injection Of pure blood
serum in the aqueous humor of the eye,
while the other two were affected in a
similar way With the sams serum con-
tanning baoilli derived originally from
. diseased lung and subjected 70 nine
tyrone days cultivation. After twenty
enc days tho rabbits we're killed. The
one which had received an injection of
Of pure serum Wa found perfectly heal
thy, while ths lungs of the two others
VEN found ovsrspread with tuber-
eles."
In the Same letter Prof. Tyndall calls
attention 70 the fact that in no other
way than BY experiments on animals
eolld this valuable discovery have been
made, and regrets that the noisy fAnst-
icisu Of conservatives, by makingavivi-
section punishable in England, has de-
barred English scientists from making
further investigations into this great,
vital subject. DR.. Koch. has already
made himself we'll known BY his invss-
tieatious into the nsturs Of splenio f.
ves, which we're marked BY 20 much
skill and labor.