Evening star. [volume] (Washington, D.C.) 1854-1972, 1911-11-12


to be manifested in the discussion of re-
cent discoveries and new theories regard
ing tuberculosis. the results OF investiga-
tons aud experiences that have for sev-
eral years past been conducted by
Washington scientist.
Dr Ernest c. Schroeder is superintend
ent OF the government experiment station
al Bethesda Md. the station being under
the direction or the bureau OF animal
husbandry Department OF Agriculture.
The discoveries no has made during the
course OF years OF observation investlga-
ton and experimentation and the theories
he advances-theories which are borne out
b. masses OF proofs apparently irrefut-
able-are so startling as TO seem posi-
lively revolutionary. Not only do they
controvert most OF the old belief in re-
gard to tuoercular infection. but they
seem 10 cut the ground completely from
under the feet OF the investigators OF an
CARRIER day and To leave wortd-renowned
men 81 science - investigators whose
names have become household words III
a dozen !anguages-wItnout II leg to stand
on Here ia bare outline. arc some OF
the things which Dr. Schroeder says are
true:
That practically all OF the old accepted
theories III regard 10 the manner of In
lection With tuDercu losis are not correct
That only in extremely rare instances
SO few in number as practically to he
negitgiple-does an adult human being De
Come infected with tuOercuiosis-that
is. an instance 81 what may be termed
"orig nal infection.
1uu 4uen original Infection prac-
tIcalIy Invariably occurs during child
hood below the az" OF sixteen or sew
tntcen years.
That TN germs Of tuberculosis.
planted In the system during infancy
or childhood lie latent awaiting a
weakened condition OF the victim. such
weakened condition. following illness.
unusual strain and consequently low
cred vitality. being favorable time
for the disease hidden ana unsuspected
for Years, to manifest itself
That dried puivcrized human spu-
tum ground into dust and borne in
the air does not. cannot and never q "a
cause infection With tuberculosis.
That infection does occur through
tho medium Of fresh mo~t sputum
from a tUberCulous human bcing-thts
being the most frequent cause-or
through using milk. butter. etc. from
tubercuIous cows
Fhat the human ana the bovine types
Of tubercle hacIilus are not only closely
akin but that they are Interchange
able and tTansformable from the one
type - the other. according to their
environment
Nnd. nnally that tubycuIosis Is
never inherited that X. that no child
y born with the seeds OF tho disease
IN It's system AMI that. ~ the adop-
ton of absolutely simple precautions.
Seriouly tnbercuious mother need
never pass the disease on 70 her on
spring hat may rear sound. healthy,
tuherculosisf free children
Thee IN brief are Tie startling
theories advanced ~ Br Schroeder
That tho theories are not merely the
yaporinES ~ sensation seeking
psendo-seientist. but that they are
backed by the authority 81 the United
states government. ana that they are
based 81 experiments conducted by an
important bureau Of the great De
partment II Agriculture aided by un-
limited funds and every appliance and
method known 10 modern scientific in
vest tEatorS. gives them weight far be
yond that which might attach 10 the
statements Of private investigators.
md the proofs with which Dr. Schroe-
der accompanies his statements seem
At least 10 the lay mind. 10 be wholly
beyond dispute.
The reader will probably ask Who IL
Dr. Schroeder, In answer 10 this ques-
ron the words OF we'll known American
surgeon and tuberculosis investigator
NAV be- quoted. Or. Ernest Schroeder
IS probably the frSt informed man in
America today Oh subjects related 70
the various forms Of tuberculosis. both
human and bovine. lie probably knows
more regarding the manner OF infection.
he age ~ which infection most frequent
y occur. and the various media of in
lection than any living American in
gestiSatoT "
For the past ten Years DIR. Schroeder
has been superintendent of the govern
nent experiment farm at Bethesda, Md.
DuTtnE the greater part OF that time he
has been investigating the many sided
problem Of tuberculosis-its cause, man
ner and age RI infection. medium OF in
lection. and how IL may be- eradicated.
or German extraction. his methods have
been those of the careful and scrupulouslv
exact Teuton. and he has enjoyed the
enthusiastic cooperation OF trained scien-
tifc associates and tie almost unlimited