Plague Outbreak in Libya, 2009, Unrelated to Plague in Algeria

After 25 years of no cases of plague, this disease recurred near Tobruk, Libya, in 2009. An epidemiologic investigation identified 5 confirmed cases. We determined ribotypes, Not1 restriction profiles, and IS100 and IS1541 hybridization patterns of strains isolated during this outbreak. We also anal...

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Main Authors: Nicolas Cabanel, Alexandre Leclercq, Viviane Chenal-Francisque, Badereddin Annajar, Minoarisoa Rajerison, Souad Bekkhoucha, Eric Bertherat, Elisabeth Carniel
Format: Article
Language:English
Published: Centers for Disease Control and Prevention 2013-02-01
Series:Emerging Infectious Diseases
Subjects:
Online Access:https://wwwnc.cdc.gov/eid/article/19/2/12-1031_article
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author Nicolas Cabanel
Alexandre Leclercq
Viviane Chenal-Francisque
Badereddin Annajar
Minoarisoa Rajerison
Souad Bekkhoucha
Eric Bertherat
Elisabeth Carniel
author_facet Nicolas Cabanel
Alexandre Leclercq
Viviane Chenal-Francisque
Badereddin Annajar
Minoarisoa Rajerison
Souad Bekkhoucha
Eric Bertherat
Elisabeth Carniel
author_sort Nicolas Cabanel
collection DOAJ
description After 25 years of no cases of plague, this disease recurred near Tobruk, Libya, in 2009. An epidemiologic investigation identified 5 confirmed cases. We determined ribotypes, Not1 restriction profiles, and IS100 and IS1541 hybridization patterns of strains isolated during this outbreak. We also analyzed strains isolated during the 2003 plague epidemic in Algeria to determine whether there were epidemiologic links between the 2 events. Our results demonstrate unambiguously that neighboring but independent plague foci coexist in Algeria and Libya. They also indicate that these outbreaks were most likely caused by reactivation of organisms in local or regional foci believed to be dormant (Libya) or extinct (Algeria) for decades, rather than by recent importation of Yersinia pestis from distant foci. Environmental factors favorable for plague reemergence might exist in this area and lead to reactivation of organisms in other ancient foci.
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spelling doaj.art-a6adabb9a1d44903bbe0347d013ce80a2022-12-22T00:29:12ZengCenters for Disease Control and PreventionEmerging Infectious Diseases1080-60401080-60592013-02-0119223023610.3201/eid1902.121031Plague Outbreak in Libya, 2009, Unrelated to Plague in AlgeriaNicolas CabanelAlexandre LeclercqViviane Chenal-FrancisqueBadereddin AnnajarMinoarisoa RajerisonSouad BekkhouchaEric BertheratElisabeth CarnielAfter 25 years of no cases of plague, this disease recurred near Tobruk, Libya, in 2009. An epidemiologic investigation identified 5 confirmed cases. We determined ribotypes, Not1 restriction profiles, and IS100 and IS1541 hybridization patterns of strains isolated during this outbreak. We also analyzed strains isolated during the 2003 plague epidemic in Algeria to determine whether there were epidemiologic links between the 2 events. Our results demonstrate unambiguously that neighboring but independent plague foci coexist in Algeria and Libya. They also indicate that these outbreaks were most likely caused by reactivation of organisms in local or regional foci believed to be dormant (Libya) or extinct (Algeria) for decades, rather than by recent importation of Yersinia pestis from distant foci. Environmental factors favorable for plague reemergence might exist in this area and lead to reactivation of organisms in other ancient foci.https://wwwnc.cdc.gov/eid/article/19/2/12-1031_articleplagueoutbreakreemergenceYersinia pestisbacteriaTobruk
spellingShingle Nicolas Cabanel
Alexandre Leclercq
Viviane Chenal-Francisque
Badereddin Annajar
Minoarisoa Rajerison
Souad Bekkhoucha
Eric Bertherat
Elisabeth Carniel
Plague Outbreak in Libya, 2009, Unrelated to Plague in Algeria
Emerging Infectious Diseases
plague
outbreak
reemergence
Yersinia pestis
bacteria
Tobruk
title Plague Outbreak in Libya, 2009, Unrelated to Plague in Algeria
title_full Plague Outbreak in Libya, 2009, Unrelated to Plague in Algeria
title_fullStr Plague Outbreak in Libya, 2009, Unrelated to Plague in Algeria
title_full_unstemmed Plague Outbreak in Libya, 2009, Unrelated to Plague in Algeria
title_short Plague Outbreak in Libya, 2009, Unrelated to Plague in Algeria
title_sort plague outbreak in libya 2009 unrelated to plague in algeria
topic plague
outbreak
reemergence
Yersinia pestis
bacteria
Tobruk
url https://wwwnc.cdc.gov/eid/article/19/2/12-1031_article
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