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2015 ; 64
(9
): 252-7
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gab.com Text
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English Wikipedia
Bacterial enteric infections detected by culture-independent diagnostic
tests--FoodNet, United States, 2012-2014
#MMPMID25763878
Iwamoto M
; Huang JY
; Cronquist AB
; Medus C
; Hurd S
; Zansky S
; Dunn J
; Woron AM
; Oosmanally N
; Griffin PM
; Besser J
; Henao OL
MMWR Morb Mortal Wkly Rep
2015[Mar]; 64
(9
): 252-7
PMID25763878
show ga
The increased availability and rapid adoption of culture-independent diagnostic
tests (CIDTs) is moving clinical detection of bacterial enteric infections away
from culture-based methods. These new tests do not yield isolates that are
currently needed for further tests to distinguish among strains or subtypes of
Salmonella, Campylobacter, Shiga toxin-producing Escherichia coli, and other
organisms. Public health surveillance relies on this detailed characterization of
isolates to monitor trends and rapidly detect outbreaks; consequently, the
increased use of CIDTs makes prevention and control of these infections more
difficult. During 2012-2013, the Foodborne Diseases Active Surveillance Network
(FoodNet*) identified a total of 38,666 culture-confirmed cases and positive CIDT
reports of Campylobacter, Salmonella, Shigella, Shiga toxin-producing E. coli,
Vibrio, and Yersinia. Among the 5,614 positive CIDT reports, 2,595 (46%) were not
confirmed by culture. In addition, a 2014 survey of clinical laboratories serving
the FoodNet surveillance area indicated that use of CIDTs by the laboratories
varied by pathogen; only CIDT methods were used most often for detection of
Campylobacter (10%) and STEC (19%). Maintaining surveillance of bacterial enteric
infections in this period of transition will require enhanced surveillance
methods and strategies for obtaining bacterial isolates.