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1) Clusters
and outbreaks will be investigated per the JHH Outbreak
management policy.
2) Thresholds
for interventions will vary depending on the individual
situation. Baseline rates of invasive fungal disease
must be established.
3) A
single nosocomial aspergillus case will trigger:
a) an
epidemiologic investigation.
b) additional
sets of environmental cultures
in the affected patient room and adjacent areas.
c) if
cultures in step 3b grow a significant Aspergillus
sp. additional areas may be cultured.
d) pressure
relationships between rooms and the hall will be evaluated.
e) additional
particle counts and air samples (for counts and speciation).
4) Two
cases of nosocomial Aspergillus/invasive fungal disease
infection on one floor/unit or two cases of Aspergillus/invasive
fungal infection on different floors/units due to the same
A. species will
trigger:
a) an
epidemiologic investigation.
b) additional
sets of environmental cultures
in the affected patient room and adjacent areas.
c) if
cultures in step 3b grow a significant Aspergillus
sp. additional areas may be cultured.
d) pressure
relationships between rooms and the hall will be evaluated.
e) additional
particle counts and air samples (for counts and speciation)
an epidemiologic investigation.
f) additional
sets of environmental cultures in the affected patient room
and adjacent areas.
g) if
cultures in step ii grow a significant Aspergillus
sp. additional areas may be cultured.
h) pressure
relationships between rooms and the hall will be evaluated.
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