The sun., 1885-02-08
PASTEUR'S GREAT RESEaRCHEH
His Experiments In Seeking ~ Rsmsdy fer
3Iydroph"bu.

There is every reason 70 believe that II.
Pas;eur has at length entered upon the Anal
phase OF an Investigation which has ciaimed
tending over more than five years; and 1t 10
kralifyins to learn from the lips OF the great
chemist himself thn, the practical outcome OF
his experiments Will b.. to provide an eiYectuni
prophylactc aga INST that terrible and deadly
dlseas. OF hydroph0bln.
Rabbits are inoc,a,ad with beef tea solution
imrreEnuted with ths nttenuatel virus taken
from tho brain OF q monkey. The effect 70
Truly remArkable. In every case the rabbit 10
morta y stricken. but the symptoms differ 40
materially ns almost to induce the Selief that
slow Of approach. and Is always caused by
paralysis sometimes partial sometimes COM
f+n He,nr 1t IL. II the brain Of rabbit which has
preparation of a heef-tea lymph wherewith to
perform lhe vaccination OF dogs. Its introdnc.
tion is usuRlly effected by slight scratch upon
the skin covering tho ntestinss., BY operating
upon tho skin, OF tho dog. rs Indicated, no APP
parent a!tera,ion is caused in its normal condi.
tion, and saw many vaccnn.ei dogs In tho
cnpnclons Kennels erected by n. Pasteur In the
sSnT'ySra II tho c"HsI hoin %hr Vokcd
subjected had Irolucsl no III effects upon tho
more Than ons rabbit before being com mmuni-
Gated 70 the dog. since til" effect upon g virus
potent instead Of becoming less dangerous.
s mf q as Ths.s sSeSss eSnr.
which ara injected with strong virus without
previous vaccination nrs separately confined In
very strong cages. Those which nrs vaccl mated
aro kept in n seres OF k.nnels. They ara not
however. permitted to mix together Each ami.
maj has its own kennel. They are nll scrupU-
lousy clean, and have an abundance OF good
food. Dogs are constantly arriving from AL
thing that any animal which has besn bitten
by mad dog is to loo sent to N. Pasteur for
vnccina,on and experiment.
saw one beautiful hound. the property OF q
bean bitten in this way. but which hal no, de-: M
valoprh symptOms OF Rabies. IL WAS inoc,lA lAtAd
no less than 1--WE times. one month being al.
lowed to elnpsc bctwean ench successive ouerR-
II IL now belisved To be Incapable Of taking the
disease An injection of exceedingly strong
virus was administered on Jan 5. / saw the
dog on the llth OF this month. and GER
tail, and the clenrness OF its eyes. no animal
could have locked happier or In more healthy
condi ton. When ths Investigation Is com.
peted 1t Ia csrtan that dogs will bs rendered
proof against rabies by, incubation with a
weakened virns, which will. without the dsvei.
opment OF dangerous, symptoms. absorb csr-
tain ingredients which the strong virus now
REQUIRES 10 order that 1t may flourish. 1t Is
prrbahle that a. veterinary surgeons will hs
provided with the stoce OF the attenuated VI
rus, and 1t Ia not unlikely that It's employment
Will DO not only sanctioned but enforced by
legislation.
One great difficulty has. however. still to be
dealt with. At present IL is necessary to sacri-
hco III, in order to obtain the att.nuated virus.
Dogs have first to be made mad: monkeys
nav" next to sntrer, and finally, rabbits have
to die by PARALYSIS before the vaccine can bs
prepared. once tho microbe II isoa,ed. This
Of Work which II. r rss,aar has s already Are % pxb.
lished, that the attenuation can bs produced
by cultivation In stcrilized media Of purely