' AfA IT ,
United Press Full Laased Wir
Tribune
United Fresi Full Leased Wir
Second Section
MEDFORD, OREGON, MONDAY, MAY 23, 1955
Pages 1-6
More Frequent Polio Shots May
Be Needed by Child in Clean Home
By DELOS SMITH
United Press Science Editor
New York U.R) A renowned
authority on polio believes the
child in a clean home in a clean
neighborhood may have to be
vaccinated more often than the
child of a dirty home in a dirty
neighborhood if the Salk anti
polio vaccine is to give him the
ame lasting immunity to the
disease.
This "maybe" opinion of Dr.
Joseph L. Melnick, professor of
epidemiology, Yale University
School of Medicine, was based
.upon 1. a scientific study of the
.residents of a clean and of a
dirty neighborhood in Charles
ton, S. C, and 2. and the fact
that no one can now be positive
as to how lasting is the immunity
to polio which is bestowed by
the Salk vaccine.
Impressive Evidence
In Charleston, Dr. Melnick
and his collaborator, Dr. Mary
Walton of the U.S. Public Health
Service, found impressive evi
dence that a person who has
polio in a form so mild he doesn't
know he's ill, does not acquire
enough immunity to protect him
against a second bout. On the
other hand, a series of such un
detected minor bouts with polio
viruses ended up by giving him
an immunity no less lasting than
a person who had been seriously
ill and had recovered.
The question is: Does the Salk
vaccine, which is made of "dead"
viruses and thus cannot produce
illness at all, stimulate the anti
body chemistry of the body more
lastingly than a very live virus
encountered under natural con
ditions which failed to produce
signs of illness?
All this, the doctors said, was
"an interpretation of the data"
but one which "may have a bear
ing on the requirements for suc
cess of a vaccination program."
Basically their data from
Charleston demonstrated all
over again that polio viruses get
around among human beings
living in soiled surroundings
much more freely than among
those living in clean homes with
good plumbing and proper at
tention to garbage disposal.
Exposed More Frequently
The children of the dirty
Charleston neighborhood ac
quired natural immunity to
polio much earlier than those
of the clean neighborhood, sim
ply because they had been ex
posed much more frequently to
polio viruses. The data of the
scientific study showed that the
younger the child, the more
often did its blood reveal the
presence of anti-bodies of polio
which were not enough to give
immunity. But the older the
child of the dirty neighborhood,
the more likely was the presence
of fully immunizing anti-bodies.
Would Strengthen Immunity
Thus, if the Salk vaccine's im
munity was no more or only a
little more lasting than the pass
ing immunity bestowed by one
"silent" infection, minor en
counters with live viruses in
natural circumstances would
serve to renew and strengthen
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College Urged for High School Grads
that immunity. And the children
of dirty homes would be more
likely to encounter live viruses
than those of clean homes and
so their body chemistry would
get more lasting results from the
vaccine.
The study was detailed in the
Yale Journal of Biology and
Medicine and was of importance
in the understanding of how
polio viruses get around its
"epidemiology." As the scien
tists pointed out, the "by the
high ratio of inapparent to clini
cally recognizable infections."
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MEDFORD FURNITURE STORE
SIXTH and BARTLETT o We Deliver o Phone 2-4848 or 2-4740
Champaign,- 111. (U.P.) Uni
versity of Illinois placement of
ficers have some valuable ad
vice for 1955 high school gradu
ates. If you want to cash in on to
day's shortage of technically
trained personnel, spend the
next four years in college.
"Assuming the present econ
omic situation continues, the
demand for scientifically train
ed persons will continue as far
as we can see ahead."
That's the way; the univer
sity's assistant dean of the col
lege of engineering, Prof. Wen
dell E. Miller, summed up the
situation.
He said that last year there
was a snoriage 01 zu,uuu en
gineers in the nation. The supply
will run behind demand at least
until 1960, .he added.
Bulging school enrollments
make the outlook for teaching
jobs bright for years ahead, said
Prof. J. L. Trump, who heads
teacher placement at the U of I.
He pointed out the most criti
cal shortage now is for elemen
tary grade teachers. The "baby
boom" that followed World War
II is now reaching grade school.
"Four years from now we'll
have teacher shortages in almost
every teaching field," Trump
said.
Demand for college-trained
personnel also will continue to
rise in many other fields, par
ticularly in chemistry and chem
ical engineering, according to
Prof. Leonard E. Miller.
Agadlr, Morocco, has a golf
course frequented by goats that
sometimes mistake golf balls for
food, says the National Geo
graphic society. Any ball swal
lowed by a goat can be replaced
without loss of stroke or distance.
Washington (D.R) The White
House said Saturday the question
of President Eisenhower going
to San Francisco for the United
Nations 10th anniversary cele
bration next month it still
"open" and "under consideration."
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