Short communication: Multistate outbreak of Listeria monocytogenes infections retrospectively linked to unpasteurized milk using whole-genome sequencing

Nichols, Megin; Conrad, Amanda; Whitlock, Laura; Stroika, Steven; Strain, Errol; Weltman, Andre; Johnson, Lydia; DeMent, Jamie; Reporter, Roshan; Williams, Ian

doi:10.3168/jds.2019-16703

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Short communication: Multistate outbreak of Listeria monocytogenes infections retrospectively linked to unpasteurized milk using whole-genome sequencing

1 2020
By Nichols, Megin ; Conrad, Amanda ; Whitlock, Laura ; ...
http://dx.doi.org/10.3168/jds.2019-16703
Source: J Dairy Sci. 103(1):176-178

[PDF-46.68 KB]

English

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Details:

Alternative Title:

J Dairy Sci
Personal Author:

Nichols, Megin ; Conrad, Amanda ; Whitlock, Laura ; Stroika, Steven ; Strain, Errol ; ... More +

Nichols, Megin ; Conrad, Amanda ; Whitlock, Laura ; Stroika, Steven ; Strain, Errol ; Weltman, Andre ; Johnson, Lydia ; DeMent, Jamie ; Reporter, Roshan ; Williams, Ian Less -
Description:

Unpasteurized milk can contain harmful bacteria such as Listeria monocytogenes. In 2016, the US Food and Drug Administration notified the Centers for Disease Control and Prevention (Atlanta, GA) that L. monocytogenes isolated from unpasteurized chocolate milk from a Pennsylvania dairy was closely related, by whole-genome sequencing, to L. monocytogenes isolates collected from blood specimens of 2 patients (in California and Florida) in 2014. The California and Florida patients consumed unpasteurized milk from the Pennsylvania dairy. Both were >65 yr old and were hospitalized in 2014; the Florida patient died. Isolates from the 2 patients had indistinguishable pulsed-field gel electrophoresis patterns and were closely related by whole-genome multilocus sequence typing analysis (by 2 alleles) to the isolate from unpasteurized chocolate milk produced by the Pennsylvania dairy in 2015. Together, epidemiologic and laboratory information indicated a common origin. This is the first multistate listeriosis outbreak linked to unpasteurized milk in the United States detected using whole-genome multilocus sequence analysis.
Subjects:

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Animals California Disease Outbreaks Electrophoresis, Gel, Pulsed-Field Florida Food Microbiology Humans Listeria Monocytogenes Listeriosis Milk Multilocus Sequence Typing Pennsylvania Retrospective Studies United States Whole Genome Sequencing
Keywords:

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Listeria Outbreak Raw Milk Unpasteurized Milk
Source:

J Dairy Sci. 103(1):176-178
Pubmed ID:

31733864
Pubmed Central ID:

PMC11307203
Document Type:

Journal Article
Funding:

CC999999/ImCDC/Intramural CDC HHSUnited States/
Volume:

103
Issue:

1
Collection(s):

CDC Public Access
Main Document Checksum:

[+]

urn:sha-512:7def70a0c5b07e6b77e464b5b8fc66bdd8bcdaec8cf2d461e319c7314d8f7198bf84faaa79e7b854653514c5970d7c0335c2975b20c145c5030851bc2508d302
Download URL:

https://stacks.cdc.gov/view/cdc/159762/cdc_159762_DS1.pdf
File Type:

nihms-2012827.nxml

xml

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