The times. [volume] (Richmond, Va.) 1890-1903, 1898-07-13
MOSQUITOES CARRY MALARIA
Results OF Investigations Made ny
Prof Koch.

Professor Koch, who has recently
turned. from German East Africa, en-
dressed distinguished audience aS7s',ial
Dieu under the auspices OF tne C',,.,ia-
Society last night on the subject oi ''
ria in the tropics. ,hat
The great bacteriologist stated thal
ne mad found the s,uuy Of Texas lo ~
IN cattle or the greatest ASSIST" es,otn
casting light upon the nature ahu 49, 90
or tropical malaria. That cattle ,ram
had been found TO be transfeIIeu 49,. -,
one herd 10 another solely by inc as 80
or that animal parasite. the uck: ,,'t,h
been able 10 infect SOUND ca'e Mad
ticks taken from diseased onesi a. nst
sslcceeded IN comforting immuii.y % WITH
Texas fever upon cattle lnocu.ata ..rtcb
the ova OF ticks taken from ca''', lfota,ia
were suffering from the disease, - 70
C>~ereu many points OF reseinpl"h.o
Texas FEVER, ana he HAD ar 49,, A.
conclusion that m the case Oh ,,,,ac no
eases mosquitoes prODaDiy Ps ~
part which ticks played IN me az hnra
ease. 1t was found that "heISsSi ~. NJ
were mosquitoes there was hil. 49,, ,-,a,S
Wherever. ~ the case OF sIia.. '. .hIa
on the German East African lie no
were no mosquitoes, there vas "is' ~
fnas-ria. He mad taken occdsloh 70 aO
low closely the course OF CASTS VI liob
iCHi malaria. in which the uSo VI N"'
nine was dispensed with. . a.. ,.,or,
He found thar, contrary 20 t enr III
hitherto accepted, the cases Whers pui
nine was not used showed that III nl"i.l,
ria as In other fsvers The lea"' i1l.,7,ss
ttmpei a ure followed a "euiiiS -,tis h,,
Moreover II had been fouhu Po,5 ia
a microscopic examination OF the p'oou
Of the patIeut To discover from the ha-
ture of the microbes IT contained ny al,
else stage of the development OF tlle a.,
ease. This Would be or the sred.eSSt -. -,
portanGe, since everything depenoea uP ber
the administration OF qulnine ellh.I
shortly before the attack, or very snort
ly after IL. Ii would ultlmdttIy' ~
thought, be possible TO adihihls1eI puInhI
ine in a rational manner anu SO ~ dnp ~
the injurious consequences OF the qulHluc
treatment Quinine taken at the proper
juncture undoubtedly stopped me ndldI, ID
fever IL lid so. not by killing the germs
but by arrestng their growth. a ralIou-
al and scientific employment OF pulhlhe;
combined with the establishment 81
health resorts in the mountains wouIu
rob tropical fever Of many or lis terrors'
As 10 The possibility of securing immun-
ity from malaria. he called attention 70
the fact that whole native tribes seeilc az
to be proof against the injection but ii
a natural immunity existed, 1t was reas-
enable 20 hope that an artinclal one
might be created. II had been observer
Tor example, that persons VINO ndu SUI
Tered from malaria, and had mace d
gradual and slow recovery without the
aid of uulnine. often acquired entire I'M
munity from the disease. In order mat
progress should be made I'm combating
The ravages Of malaria. II was indisDen-
sable that doctors trained in basterlolo-
ev and In the use of the microscope
Should be sent to East Africa. The ad-
ministration Of quinine by non-profes-
sional hands was great mistake. III
science were one day TO cope successful
w with this disease IT would facilitate
the prosperous development Of some OF
the most fruitful districts In the world
Rnrlin Iatter in London Wines