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"Legionnaires'
Disease:
Seeking
Effective
Prevention"
ASHRAE
Journal,
Jan. 1997,
by J. Donald
Millar,
George K.
Morris, and
Brian G.
Shelton. The
authors do
an excellent
job of
arguing that
because
Legionnaires'
is a
preventable
environmental
disease; a
proactive,
exposure-oriented,
engineering-industrial
hygiene
approach
should be
emphasized
over a
reactive
medical
approach.
This article
may be of
interest to
public
health
officials
and others
involved in
policy
making.
PathCon
Laboratories
offers
single
reprints
free of
charge.
"Testing
the Waters: Facts to Consider When Deciding Whether to Sample for
Legionella”
Health
Facilities Management,
Oct. 2002, by Matthew R. Freije
"Legionellosis"
The New
England
Journal of
Medicine,
Sept. 4,
1997, by
Janet E.
Stout, Ph.D.
and Victor
L. Yu, M.D.
This paper
provides an
excellent
overview of
the
epidemiologic
and clinical
aspects of
the disease.
"Legionella-Like
Amebal
Pathogens--Phylogenetic
Status and
Possible
Role in
Respiratory
Disease"
Emerging
Infectious
Diseases
Vol 2, No.
3, 1996, by
Adenike
Adeleke,
M.S., Janet
Pruckler,
Robert
Benson,
M.S.,
Timothy
Rowbotham,
Ph.D.,
Mahmoud
Halablab,
Ph.D., and
Barry
Fields,
Ph.D. The
authors
describe a
study in
which 19% of
500
hospitalized
patients
with
pneumonia of
unidentified
origin
demonstrated
a four-fold
rise in
antibody
titer to
1:128 to at
least one of
nine
Legionella-like
amebal
pathogens (LLAPs).
LLAPs were
named LLAPs
because of
their
ability to
infect and
multiply
intracellularly
within
amebae in
the same way
that
legionellae
infect and
multiply in
protozoa and
human
alveolar
macrophages.
However,
unlike other
known
legionellae,
LLAPs are
nonculturable.
The study
suggests
that LLAPs
may be an
unrecognized
and possibly
significant
cause of
respiratory
disease.
These
findings are
important
since no
etiologic
agent is
identified
for an
estimated
50% of the
500,000
adult
pneumonia
cases
occurring
annually in
the United
States.
"Ozone
Treatment
for Cooling
Towers: New
Energy and
Water Saving
Technology
to Reduce
Cooling
Tower
Operating
Costs"
Produced for
the US
Department
of Energy by
the Pacific
Northwest
National
Laboratory,
Dec. 1995 |