LEGIONELLA - World Health Organization

Reference
Anon, 1998a;
Arthur, 1998
Cayla et al.,
2001
Regan et
al., 2003
Lai et al.,
2004
Year of
event
1998
May and
June
Type
of sh p
Geograph cal
reg on
Cruise Mediterranean
and
Norwegian
fjords
Mortal ty
and morb d ty Comments
• 3 cases (British) • L. pneumophila
found in hot-water
samples from
shower heads
• Defective temperature
control of
hot and cold-water
systems
• Ship had been associated
with two other
cases since 1995
— Cargo Spain • 2 fatal cases • Two mechanics
repairing cargo
ship’s water system
pump
• Molecularly indistinguishable
strains
of L. pneumophila
serogroup 1 isolated
from patient and
pump cooling circuit
— Cruise • 3 cases • Ship’s water supply
the source
2003 Cruise Iceland • 8 cases (1 fatal) • Strains of
L. pneumophila
serogroup 1 matched
patient strain isolated
from spa pool and
hairdressing station;
cases epidemiologically
associated
with spa pool
0 LEGIONELLA AND THE PREVENTION OF LEGIONELLOSIS