The Sun.
London, England, 1803-10-28 00:00:00

DK. DL CAILRQ,OI, VIENNA,,TO

Yout disaiveryhas already precluded some eon.
svirlences waren you sorely were very far from fore-
t4etnY,' where 'ou made. it known to•the%wiirld. I
believe‘that I mice mentioned to you,' that's French
Physician, Mons. LA FONT, thought he Tad observ-
ed,- that vaccinated people wtre-not attacked by the
plague.. He described to me the fitds'which raised
the suspicion :.they were few-, and- not very condo'.
sive, but he spoke of his new cibstrvations with
modesty and ptiidence, . and h,,ught oniy that the
iubjen deserved his further attention.: Andther Phy.
sician at Constantinople; ,Mons. B N,;‘olfo:neVer
had mn'indnicated-with M. LA: FONT, Who 'is of
Salonica, wrote to.me about a year,agov that lit-also
bad some suspicion of, the cow,poxs being A preser.
vative against the plagts.c.-pdid not,.mention-fuEls,
but said that sev,erallieeple bud observed the ',s'aine,
and many yaccinated thetbselves as a secttrq against
the plague. Guess what was my astonishment, when
a few days ago I received, through the French- Am.:
hassador at Vienna, a packet of Dr. Au HAN,- who
begins his letter with these words—' What had
the honour of mentioning to you long ago,Concern-
ing the Cowpox being a security against the, Plague,
as a probability, I can now, after many experiments,
speak of' almost as .a certainty.' .He describes thc
has Summarily in his letter, and adds two iwocesi
bauZ-, signed by liitn,and several Witnesses, tk.
siring Citizen CHAMP ACNY and' niyself to- give-,
them every possible:publicity. 'Use pieofs are :'
Ist. " Of 6000 vaccinated at CtinStantintiple,--not
one has taken the Plague.
" That infants previously' vaccinated' luive
sucked without iniury the milk of nutses in(etted
with the'Prague. .
. " thalt , Italian Physician, pc. VALLI,
vFho went ro 'Constantinople to,statly the Plague,
was so petsuadi.d of the truth of the new diScovery,,
that-upon the sole security of having been vaccinated,
he Shur himself, up in il..a24ret to, and hdd, with
people 41( racked with-carbuncles and buboes, various,
modes of contact without any, cad. •"
" That the satae Dr. VALLI :inserted' into
his own hand, a mixture of varioltnismnd, pestilential
virus, and having-- felt,no effed front.that trial, he
Lmeatit the following week to imert peuilential
virus alone, . .

sth ,0 That Dr, Au HAN, having been iniutrn' ed that
in some villages neat constantinople, the Cowsmere
subjedt to soine.eruptinos,on.thcir udders with,
severid, Gen tlettAfi; of ;the .French. Embassy, ,i'vent‘ to:
those villages, and •found, ,Cuw..pox then exist-
, ing. The report ,of the inhabitants was, that theyi
had never seen the Plague, or ikc Sillall.poX, among.
them, though both .therfp discasertqtrade—dreadful
vages in, the
Such, my dear Sir,". 'continuesLAr. DE..Cirttßo,l
are the extraordinary fads
_which hay.e,beervlcom.l
municated to me., I have, pow rind then.curreEpond-t
ed with M. M. I,o9Ni,and Ault AN .;:their t;uffes-1
pondence annotratces much medical information; .The
second acquainting the world with such an import-
ant discovery, certainly . runs a groat risk; Si he,
deceives it by false andlasty obsetvations."