A large outbreak of shigellosis commencing in an internally displaced population, Papua New Guinea, 2013
- Benny, Edwin, Mesere, Kelly, Pavlin, Boris, Yakam, Logan, Ford, Rebecca, Yoannes, Mition, Kisa, Debbie, Abdad, Mohammad, Menda, Lincoln, Greenhill, Andrew, Horwood, Paul
- Authors: Benny, Edwin , Mesere, Kelly , Pavlin, Boris , Yakam, Logan , Ford, Rebecca , Yoannes, Mition , Kisa, Debbie , Abdad, Mohammad , Menda, Lincoln , Greenhill, Andrew , Horwood, Paul
- Date: 2014
- Type: Text , Journal article
- Relation: Western Pacific surveillance and response journal : WPSAR Vol. 5, no. 3 (2014), p. 18-21
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- Description: OBJECTIVE: The objective of this study was to investigate a large outbreak of shigellosis in Papua New Guinea that began in a camp for internally displaced persons before spreading throughout the general community. METHODS: Outbreak mitigation strategies were implemented in the affected area to curtail the spread of the disease. Data were collected from the surveillance system and analysed by time, place and person. Rectal swab samples were tested by standard culture methods and real-time polymerase chain reaction to determine the etiology of the outbreak. RESULTS: Laboratory analysis at two independent institutions established that the outbreak was caused by Shigella sp., with one strain further characterized as Shigella flexneri serotype 2. Approximately 1200 suspected cases of shigellosis were reported in a two-month period from two townships in Morobe Province, Papua New Guinea. The outbreak resulted in at least five deaths, all in young children. DISCUSSION: This outbreak of shigellosis highlights the threat of enteric diseases to vulnerable populations such as internally displaced persons in Papua New Guinea, as has been observed in other global settings.
- Authors: Benny, Edwin , Mesere, Kelly , Pavlin, Boris , Yakam, Logan , Ford, Rebecca , Yoannes, Mition , Kisa, Debbie , Abdad, Mohammad , Menda, Lincoln , Greenhill, Andrew , Horwood, Paul
- Date: 2014
- Type: Text , Journal article
- Relation: Western Pacific surveillance and response journal : WPSAR Vol. 5, no. 3 (2014), p. 18-21
- Full Text:
- Reviewed:
- Description: OBJECTIVE: The objective of this study was to investigate a large outbreak of shigellosis in Papua New Guinea that began in a camp for internally displaced persons before spreading throughout the general community. METHODS: Outbreak mitigation strategies were implemented in the affected area to curtail the spread of the disease. Data were collected from the surveillance system and analysed by time, place and person. Rectal swab samples were tested by standard culture methods and real-time polymerase chain reaction to determine the etiology of the outbreak. RESULTS: Laboratory analysis at two independent institutions established that the outbreak was caused by Shigella sp., with one strain further characterized as Shigella flexneri serotype 2. Approximately 1200 suspected cases of shigellosis were reported in a two-month period from two townships in Morobe Province, Papua New Guinea. The outbreak resulted in at least five deaths, all in young children. DISCUSSION: This outbreak of shigellosis highlights the threat of enteric diseases to vulnerable populations such as internally displaced persons in Papua New Guinea, as has been observed in other global settings.
Spatio-temporal epidemiology of the cholera outbreak in Papua New Guinea, 2009-2011
- Horwood, Paul, Karl, Stephan, Mueller, Ivo, Jonduo, Marinjho, Pavlin, Boris, Dagina, Rosheila, Ropa, Berry, Bieb, Sibauk, Rosewell, Alexander, Umezaki, Masahiro, Siba, Peter, Greenhill, Andrew
- Authors: Horwood, Paul , Karl, Stephan , Mueller, Ivo , Jonduo, Marinjho , Pavlin, Boris , Dagina, Rosheila , Ropa, Berry , Bieb, Sibauk , Rosewell, Alexander , Umezaki, Masahiro , Siba, Peter , Greenhill, Andrew
- Date: 2014
- Type: Text , Journal article
- Relation: BMC Infectious Diseases Vol. 14, no. 1 (2014), p.
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- Reviewed:
- Description: Background: Cholera continues to be a devastating disease in many developing countries where inadequate safe water supply and poor sanitation facilitate spread. From July 2009 until late 2011 Papua New Guinea experienced the first outbreak of cholera recorded in the country, resulting in > 15,500 cases and > 500 deaths. Methods: Using the national cholera database, we analysed the spatio-temporal distribution and clustering of the Papua New Guinea cholera outbreak. The Kulldorff space-time permutation scan statistic, contained in the software package SatScan v9.2 was used to describe the first 8 weeks of the outbreak in Morobe Province before cholera cases spread throughout other regions of the country. Data were aggregated at the provincial level to describe the spread of the disease to other affected provinces. Results: Spatio-temporal and cluster analyses revealed that the outbreak was characterized by three distinct phases punctuated by explosive propagation of cases when the outbreak spread to a new region. The lack of road networks across most of Papua New Guinea is likely to have had a major influence on the slow spread of the disease during this outbreak. Conclusions: Identification of high risk areas and the likely mode of spread can guide government health authorities to formulate public health strategies to mitigate the spread of the disease through education campaigns, vaccination, increased surveillance in targeted areas and interventions to improve water, sanitation and hygiene.
- Authors: Horwood, Paul , Karl, Stephan , Mueller, Ivo , Jonduo, Marinjho , Pavlin, Boris , Dagina, Rosheila , Ropa, Berry , Bieb, Sibauk , Rosewell, Alexander , Umezaki, Masahiro , Siba, Peter , Greenhill, Andrew
- Date: 2014
- Type: Text , Journal article
- Relation: BMC Infectious Diseases Vol. 14, no. 1 (2014), p.
- Full Text:
- Reviewed:
- Description: Background: Cholera continues to be a devastating disease in many developing countries where inadequate safe water supply and poor sanitation facilitate spread. From July 2009 until late 2011 Papua New Guinea experienced the first outbreak of cholera recorded in the country, resulting in > 15,500 cases and > 500 deaths. Methods: Using the national cholera database, we analysed the spatio-temporal distribution and clustering of the Papua New Guinea cholera outbreak. The Kulldorff space-time permutation scan statistic, contained in the software package SatScan v9.2 was used to describe the first 8 weeks of the outbreak in Morobe Province before cholera cases spread throughout other regions of the country. Data were aggregated at the provincial level to describe the spread of the disease to other affected provinces. Results: Spatio-temporal and cluster analyses revealed that the outbreak was characterized by three distinct phases punctuated by explosive propagation of cases when the outbreak spread to a new region. The lack of road networks across most of Papua New Guinea is likely to have had a major influence on the slow spread of the disease during this outbreak. Conclusions: Identification of high risk areas and the likely mode of spread can guide government health authorities to formulate public health strategies to mitigate the spread of the disease through education campaigns, vaccination, increased surveillance in targeted areas and interventions to improve water, sanitation and hygiene.
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