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  1. AU="Sorn, San"
  2. AU="Gamoudi Amel"
  3. AU=Weidner Lisa AU=Weidner Lisa
  4. AU="Park, Donghee"
  5. AU="Daniel Paull"
  6. AU="H Divecha"
  7. AU="Chetata, Nabil"
  8. AU="Zuo, Nan"
  9. AU="Lin, Raymond Tzer-Pin"
  10. AU="Whittington, Karen B"
  11. AU="Beutel, Gernot"
  12. AU="Koh, Siang Boon"
  13. AU="Rajki, Anikó"
  14. AU="Polina B. Drozdova"
  15. AU=Zhang Xiuhong AU=Zhang Xiuhong
  16. AU=Hauer Julia
  17. AU="Widiasih, Natalia"
  18. AU="Besnik Bajrami"
  19. AU=Mazza Mario Gennaro
  20. AU="Kwong, A S K"
  21. AU="Hadian, Marziye"
  22. AU="Chen, Yaying"
  23. AU="Ortega, Francisco B"
  24. AU=Cobb Samuel N
  25. AU="Abdelmohssin El Mokaddem"
  26. AU="Iwao Ojima"
  27. AU="Abazi, Sokol"
  28. AU="Cook, Rebecca"
  29. AU=Martin Flavius
  30. AU="Cipriani, Raffaela"
  31. AU="Levin, Michael E."
  32. AU="Yang, Dayu"

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  1. Artikel ; Online: Detection and phylogenetic analysis of contemporary H14N2 Avian influenza A virus in domestic ducks in Southeast Asia (Cambodia).

    Siegers, Jurre Y / Wille, Michelle / Yann, Sokhoun / Tok, Songha / Sin, Sarath / Chea, Sokha / Porco, Alice / Sours, Sreyem / Chim, Vutha / Chea, Samban / Chhel, Kimtuo / Tum, Sothyra / Sorn, San / Hak, Makara / Thielen, Peter / Dhanasekaran, Vijaykrishna / Karlsson, Erik A

    Emerging microbes & infections

    2024  Band 13, Heft 1, Seite(n) 2297552

    Abstract: Avian influenza virus (AIV) in Asia is a complex system with numerous subtypes and a highly porous wild birds-poultry interface. Certain AIV subtypes, such as H14, are underrepresented in current surveillance efforts, leaving gaps in our understanding of ...

    Abstract Avian influenza virus (AIV) in Asia is a complex system with numerous subtypes and a highly porous wild birds-poultry interface. Certain AIV subtypes, such as H14, are underrepresented in current surveillance efforts, leaving gaps in our understanding of their ecology and evolution. The detection of rare subtype H14 in domestic ducks in Southeast Asia comprises a geographic region and domestic bird population previously unassociated with this subtype. These H14 viruses have a complex evolutionary history involving gene reassortment events. They share sequence similarity to AIVs endemic in Cambodian ducks, and Eurasian low pathogenicity and high pathogenicity H5Nx AIVs. The detection of these H14 viruses in Southeast Asian domestic poultry further advances our knowledge of the ecology and evolution of this subtype and reinforces the need for continued, longitudinal, active surveillance in domestic and wild birds. Additionally,
    Mesh-Begriff(e) Animals ; Ducks ; Cambodia ; Phylogeny ; Influenza in Birds ; Birds ; Influenza A virus/genetics ; Animals, Wild ; Poultry
    Sprache Englisch
    Erscheinungsdatum 2024-04-17
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 2681359-2
    ISSN 2222-1751 ; 2222-1751
    ISSN (online) 2222-1751
    ISSN 2222-1751
    DOI 10.1080/22221751.2023.2297552
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  2. Artikel: Case report: Lumpy skin disease in an endangered wild banteng (

    Porco, Alice / Chea, Sokha / Sours, Sreyem / Nou, Vonika / Groenenberg, Milou / Agger, Cain / Tum, Sothyra / Chhuon, Vanna / Sorn, San / Hong, Chamnan / Davis, Ben / Davis, Sharyn / Ken, Sereyrotha / Olson, Sarah H / Fine, Amanda E

    Frontiers in veterinary science

    2023  Band 10, Seite(n) 1228505

    Abstract: We describe a case of lumpy skin disease in an endangered banteng in Cambodia and the subsequent initiation of a vaccination campaign in domestic cattle to protect wild bovids from disease transmission at the wildlife-livestock interface. Lumpy skin ... ...

    Abstract We describe a case of lumpy skin disease in an endangered banteng in Cambodia and the subsequent initiation of a vaccination campaign in domestic cattle to protect wild bovids from disease transmission at the wildlife-livestock interface. Lumpy skin disease virus (LSDV) was first detected in domestic cattle in Cambodia in June of 2021 and rapidly spread throughout the country. In September 2021, a banteng was seen in Phnom Tnout Phnom Pok wildlife sanctuary with signs of lumpy skin disease. Scab samples were collected and tested positive for LSDV. Monitoring using line transect surveys and camera traps in protected areas with critical banteng and gaur populations was initiated from December 2021-October 2022. A collaborative multisector vaccination campaign to vaccinate domestic livestock in and around priority protected areas with banteng and gaur was launched July 2022 and a total of 20,089 domestic cattle and water buffalo were vaccinated with Lumpyvax
    Sprache Englisch
    Erscheinungsdatum 2023-08-03
    Erscheinungsland Switzerland
    Dokumenttyp Case Reports
    ZDB-ID 2834243-4
    ISSN 2297-1769
    ISSN 2297-1769
    DOI 10.3389/fvets.2023.1228505
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  3. Artikel ; Online: A prospective study on the incidence of dog bites and management in a rural Cambodian, rabies-endemic setting.

    Ponsich, Aurelia / Goutard, Flavie / Sorn, San / Tarantola, Arnaud

    Acta tropica

    2016  Band 160, Seite(n) 62–67

    Abstract: Rabies circulates intensely in Cambodia, mainly affecting rural populations. We conducted a prospective study to estimate the baseline incidence of potentially infective dog bites in rural villages of Siem Reap province, Cambodia. The study was conducted ...

    Abstract Rabies circulates intensely in Cambodia, mainly affecting rural populations. We conducted a prospective study to estimate the baseline incidence of potentially infective dog bites in rural villages of Siem Reap province, Cambodia. The study was conducted in a convenience sample of 844 families totaling 1779 persons in four villages. The study collected data in a total of 802.3 person-years. Trained village health workers (VHW) exhaustively documented consecutive dog bites at the end of each month. Between May 15th and November 15th, 2011, a total of 40 attacks (43 bites; 1.07 bites per attack) were notified by 39 persons (50% female; one suffered two distinct incidents) to VHW. The all-age attack rate for bites over this 6-month period was 2.3% (CI95%: 1.7-3.1%), with a global incidence rate estimated at 4.84 bites/100 person-years (CI95%: 3.5-6.6). The mean age in bite victims was 20.8±18.9years (median 12.5; interquartile range 6-36; range 1-63). The dog was identified in 39 (97.5%) of cases, being the household dog in 9 (22.5%) of cases. Bites were classified as severe (WHO Category III-broken skin with bleeding) in 33 (82.5%) of cases with a severe dog bites incidence estimated at 4/100 person-years (CI95%: 2.8-5.6). The bites involved the hand or face in 1 (2.5%) case each (both Category III). In 20 incidents (50%), only rice was applied to the wounds. There were no suspected or confirmed human rabies deaths during the study period but one dog died after biting (2 others were lost to follow-up and 14 were put down by their owner). Our study documented an extremely high incidence of dog bites in of rural Cambodian adults and children. Adapted control policies for canine vaccination are urgently needed.
    Mesh-Begriff(e) Adolescent ; Adult ; Aged ; Aged, 80 and over ; Animals ; Bites and Stings/prevention & control ; Cambodia/epidemiology ; Child ; Child, Preschool ; Disease Management ; Dogs ; Female ; Humans ; Incidence ; Infant ; Infant, Newborn ; Male ; Middle Aged ; Prospective Studies ; Rabies/epidemiology ; Rabies/prevention & control ; Rural Population ; Vaccination ; Young Adult
    Sprache Englisch
    Erscheinungsdatum 2016-08
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article
    ZDB-ID 210415-5
    ISSN 1873-6254 ; 0001-706X
    ISSN (online) 1873-6254
    ISSN 0001-706X
    DOI 10.1016/j.actatropica.2016.04.015
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  4. Artikel ; Online: The genomic landscape of swine influenza A viruses in Southeast Asia.

    Zeller, Michael A / Ma, Jordan / Wong, Foong Ying / Tum, Sothyra / Hidano, Arata / Holt, Hannah / Chhay, Ty / Sorn, San / Koeut, Dina / Seng, Bunnary / Chao, Sovanncheypo / Ng, Giselle G K / Yan, Zhuang / Chou, Monidarin / Rudge, James W / Smith, Gavin J D / Su, Yvonne C F

    Proceedings of the National Academy of Sciences of the United States of America

    2023  Band 120, Heft 33, Seite(n) e2301926120

    Abstract: Swine are a primary source for the emergence of pandemic influenza A viruses. The intensification of swine production, along with global trade, has amplified the transmission and zoonotic risk of swine influenza A virus (swIAV). Effective surveillance is ...

    Abstract Swine are a primary source for the emergence of pandemic influenza A viruses. The intensification of swine production, along with global trade, has amplified the transmission and zoonotic risk of swine influenza A virus (swIAV). Effective surveillance is essential to uncover emerging virus strains; however gaps remain in our understanding of the swIAV genomic landscape in Southeast Asia. More than 4,000 nasal swabs were collected from pigs in Cambodia, yielding 72 IAV-positive samples by RT-qPCR and 45 genomic sequences. We unmasked the cocirculation of multiple lineages of genetically diverse swIAV of pandemic concern. Genomic analyses revealed a novel European avian-like H1N2 swIAV reassortant variant with North American triple reassortant internal genes, that emerged approximately seven years before its first detection in pigs in 2021. Using phylogeographic reconstruction, we identified south central China as the dominant source of swine viruses disseminated to other regions in China and Southeast Asia. We also identified nine distinct swIAV lineages in Cambodia, which diverged from their closest ancestors between two and 15 B.P., indicating significant undetected diversity in the region, including reverse zoonoses of human H1N1/2009 pandemic and H3N2 viruses. A similar period of cryptic circulation of swIAVs occurred in the decades before the H1N1/2009 pandemic. The hidden diversity of swIAV observed here further emphasizes the complex underlying evolutionary processes present in this region, reinforcing the importance of genomic surveillance at the human-swine interface for early warning of disease emergence to avoid future pandemics.
    Mesh-Begriff(e) Swine ; Animals ; Humans ; Influenza A Virus, H3N2 Subtype/genetics ; Influenza A Virus, H1N1 Subtype/genetics ; Reassortant Viruses/genetics ; Orthomyxoviridae Infections/epidemiology ; Orthomyxoviridae Infections/veterinary ; Influenza, Human/epidemiology ; Influenza A virus/genetics ; Genomics ; Phylogeny ; Cambodia/epidemiology ; Swine Diseases/epidemiology
    Sprache Englisch
    Erscheinungsdatum 2023-08-08
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Research Support, N.I.H., Extramural ; Research Support, U.S. Gov't, Non-P.H.S. ; Research Support, Non-U.S. Gov't
    ZDB-ID 209104-5
    ISSN 1091-6490 ; 0027-8424
    ISSN (online) 1091-6490
    ISSN 0027-8424
    DOI 10.1073/pnas.2301926120
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  5. Artikel ; Online: Urban and peri-urban family-based pig-keeping in Cambodia

    Gunilla Ström / Agnes Andersson Djurfeldt / Sofia Boqvist / Ann Albihn / Seng Sokerya / Sorn San / Holl Davun / Ulf Magnusson

    PLoS ONE, Vol 12, Iss 8, p e

    Characteristics, management and perceived benefits and constraints.

    2017  Band 0182247

    Abstract: Keeping pigs in urban and peri-urban areas may not only provide many benefits for the urban households, but may also be challenging and a potential health hazard. The aim of this cross-sectional study was to describe household characteristics and to ... ...

    Abstract Keeping pigs in urban and peri-urban areas may not only provide many benefits for the urban households, but may also be challenging and a potential health hazard. The aim of this cross-sectional study was to describe household characteristics and to evaluate perceived benefits and constraints among pig-keepers in the urban and peri-urban areas of Phnom Penh, Cambodia. The study included 204 households and a structured questionnaire was used to interview the household member responsible for taking care of the pigs. Descriptive analyses showed that most households kept between 5 and 15 pigs and that all households kept their pigs in confinement. About 97% of the households owned the pigs themselves and the pigs were generally managed by female household members (43%). Pigs were mainly kept for commercial purposes and more than 60% of the households stated that income from pig-keeping was the main or one of the main sources of revenue for the household. More than 82% reported that they had experienced disease outbreaks among their pigs during the past three years and disease outbreaks were more commonly reported in households with lower socio-economic position (P = 0.025). Disease outbreaks were considered one of the main constraints, along with expensive feed and low payment prices for the slaughter pigs, but few households considered sanitary or other public health issues problematic. Thus, pig-keeping makes an important contribution to the livelihoods of urban and peri-urban households, but many households face external constraints on their production, such as diseases and low revenues, which may have a negative impact on their livelihoods.
    Schlagwörter Medicine ; R ; Science ; Q
    Thema/Rubrik (Code) 338
    Sprache Englisch
    Verlag Public Library of Science (PLoS)
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  6. Artikel ; Online: Biosecurity measures for backyard poultry in developing countries

    Conan Anne / Goutard Flavie Luce / Sorn San / Vong Sirenda

    BMC Veterinary Research, Vol 8, Iss 1, p

    a systematic review

    2012  Band 240

    Abstract: Abstract Background Poultry represents an important sector in animal production, with backyard flocks representing a huge majority, especially in the developing countries. In these countries, villagers raise poultry to meet household food demands and as ... ...

    Abstract Abstract Background Poultry represents an important sector in animal production, with backyard flocks representing a huge majority, especially in the developing countries. In these countries, villagers raise poultry to meet household food demands and as additional sources of incomes. Backyard production methods imply low biosecurity measures and high risk of infectious diseases, such as Newcastle disease or zoonosis such as Highly Pathogenic Avian Influenza (HPAI). We reviewed literature on biosecurity practices for prevention of infectious diseases, and published recommendations for backyard poultry and assessed evidence of their impact and feasibility, particularly in developing countries. Documents were sourced from the Food and Agriculture Organization (FAO) website, and from Pubmed and Google databases. Results A total of 62 peer-reviewed and non-referred documents were found, most of which were published recently (after 2004) and focused on HPAI/H5N1-related biosecurity measures (64%). Recommendations addressed measures for flock management, feed and water management, poultry trade and stock change, poultry health management and the risk to humans. Only one general guideline was found for backyard poultry-related biosecurity; the other documents were drawn up for specific developing settings and only engaged their authors (e.g. consultants). These national guidelines written by consultants generated recommendations regarding measures derived from the highest standards of commercial poultry production. Although biosecurity principles of isolation and containment are described in most documents, only a few documents were found on the impact of measures in family poultry settings and none gave any evidence of their feasibility and effectiveness for backyard poultry. Conclusions Given the persistent threat posed by HPAI/H5N1 to humans in developing countries, our findings highlight the importance of encouraging applied research toward identifying sustained and adapted biosecurity measures for smallholder ...
    Schlagwörter Biosecurity ; Poultry ; Backyard flocks ; Scavenging ; Infectious disease ; H5N1 HPAI ; Newcastle disease ; Veterinary medicine ; SF600-1100
    Sprache Englisch
    Erscheinungsdatum 2012-12-01T00:00:00Z
    Verlag BMC
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  7. Artikel ; Online: New insights into clade 1 influenza A (H5N1) virus circulation in Cambodia and within the Southern Indochina peninsula

    Sorn San / Mardy Sek / Holl Davun / Vong Sirenda / Buchy Philippe

    BMC Proceedings, Vol 5, Iss Suppl 1, p P

    2011  Band 9

    Schlagwörter Medicine ; R ; Science ; Q
    Sprache Englisch
    Erscheinungsdatum 2011-01-01T00:00:00Z
    Verlag BioMed Central
    Dokumenttyp Artikel ; Online
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  8. Artikel: Manure management and public health: Sanitary and socio-economic aspects among urban livestock-keepers in Cambodia

    Ström, Gunilla / Ann Albihn / Tomas Jinnerot / Sofia Boqvist / Agnes Andersson-Djurfeldt / Seng Sokerya / Kristina Osbjer / Sorn San / Holl Davun / Ulf Magnusson

    Science of the total environment. 2018 Apr. 15, v. 621

    2018  

    Abstract: Livestock manure is a valuable source of nutrients for crop production, but can also pose a public health hazard and have negative environmental impacts. This study investigated manure management practices among urban and peri-urban livestock keepers in ... ...

    Abstract Livestock manure is a valuable source of nutrients for crop production, but can also pose a public health hazard and have negative environmental impacts. This study investigated manure management practices among urban and peri-urban livestock keepers in Cambodia, to identify risk behaviours and socio-economic aspects associated with the handling of manure. A survey including 204 households was conducted, using a structured questionnaire with questions on demographics, socio-economic characteristics and household practices related to manure management. Faecal samples were obtained from pig pens and pig manure storage units for analysis of the potential zoonotic pathogens Salmonella enterica (Polymerase Chain Reaction (PCR)), Ascaris suum and Trichuris suis (McMaster flotation technique). The survey revealed a difference in management between cattle and pig manure. Cattle manure was most commonly used as fertiliser for crop production (66%) (p<0.001), whereas pig manure was most commonly dumped in the environment (46%) (p<0.001). Logistic regression models showed that households with a lower socio-economic position were more likely to dump pig manure (p<0.001), with scarcity of agricultural land (p<0.001) and lack of carts for transportation of manure (p<0.01) being identified as contributing factors. Salmonella enterica was detected in 9.7% of manure samples, while Ascaris suum and Trichuris suis were detected in 1.6% and 2.4% of the samples, respectively. The results presented in this study indicate that manure management by urban and peri-urban households may pose a public health threat and an environmental hazard. There is evidently a need for further knowledge support to the livestock keepers to promote good management practices.
    Schlagwörter Ascaris suum ; Salmonella enterica ; Trichuris suis ; agricultural land ; carts ; cattle ; cattle manure ; crop production ; demographic statistics ; environmental hazards ; environmental impact ; feces ; health hazards ; households ; manure storage ; nutrients ; pathogens ; pig manure ; polymerase chain reaction ; public health ; questionnaires ; regression analysis ; risk behavior ; socioeconomics ; surveys ; swine ; urban areas ; Cambodia
    Sprache Englisch
    Erscheinungsverlauf 2018-0415
    Umfang p. 193-200.
    Erscheinungsort Elsevier B.V.
    Dokumenttyp Artikel
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2017.11.254
    Datenquelle NAL Katalog (AGRICOLA)

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  9. Artikel: Serological Evidence for Japanese Encephalitis and West Nile Virus Infections in Domestic Birds in Cambodia.

    Auerswald, Heidi / Ruget, Anne-Sophie / Ladreyt, Helena / In, Saraden / Mao, Sokthearom / Sorn, San / Tum, Sothyra / Duong, Veasna / Dussart, Philippe / Cappelle, Julien / Chevalier, Véronique

    Frontiers in veterinary science

    2020  Band 7, Seite(n) 15

    Abstract: Mosquito-borne flaviviruses with an enzootic transmission cycle like Japanese encephalitis virus (JEV) and West Nile virus (WNV) are a major public health concern. The circulation of JEV in Southeast Asia is well-documented, and the important role of ... ...

    Abstract Mosquito-borne flaviviruses with an enzootic transmission cycle like Japanese encephalitis virus (JEV) and West Nile virus (WNV) are a major public health concern. The circulation of JEV in Southeast Asia is well-documented, and the important role of pigs as amplification hosts for the virus is long known. The influence of other domestic animals especially poultry that lives in high abundance and close proximity to humans is not intensively analyzed. Another understudied field in Asia is the presence of the closely related WNV. Such analyses are difficult to perform due to the intense antigenic cross-reactivity between these viruses and the lack of suitable standardized serological assays. The main objective of this study was to assess the prevalence of JEV and WNV flaviviruses in domestic birds, detailed in chickens and ducks, in three different Cambodian provinces. We determined the flavivirus seroprevalence using an hemagglutination inhibition assay (HIA). Additionally, we investigated in positive samples the presence of JEV and WNV neutralizing antibodies (nAb) using foci reduction neutralization test (FRNT). We found 29% (180/620) of the investigated birds positive for flavivirus antibodies with an age-depended increase of the seroprevalence (OR = 1.04) and a higher prevalence in ducks compared to chicken (OR = 3.01). Within the flavivirus-positive birds, we found 43% (28/65) with nAb against JEV. We also observed the expected cross-reactivity between JEV and WNV, by identifying 18.5% double-positive birds that had higher titers of nAb than single-positive birds. Additionally, seven domestic birds (10.7%) showed only nAb against WNV and no nAb against JEV. Our study provides evidence for an intense JEV circulation in domestic birds in Cambodia, and the first serological evidence for WNV presence in Southeast Asia since decades. These findings mark the need for a re-definition of areas at risk for JEV and WNV transmission, and the need for further and intensified surveillance of mosquito-transmitted diseases in domestic animals.
    Sprache Englisch
    Erscheinungsdatum 2020-01-29
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ZDB-ID 2834243-4
    ISSN 2297-1769
    ISSN 2297-1769
    DOI 10.3389/fvets.2020.00015
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  10. Artikel ; Online: Influenza A(H5N1) virus surveillance at live poultry markets, Cambodia, 2011.

    Horm, Srey Viseth / Sorn, San / Allal, Lotfi / Buchy, Philippe

    Emerging infectious diseases

    2013  Band 19, Heft 2, Seite(n) 305–308

    Abstract: In Cambodia, influenza A(H5N1) virus surveillance at live poultry markets (LPMs) relies on virus isolation from poultry specimens; however, virus is rarely detected by this method. We tested 502 environmental LPM samples: 90 were positive by PCR, 10 by ... ...

    Abstract In Cambodia, influenza A(H5N1) virus surveillance at live poultry markets (LPMs) relies on virus isolation from poultry specimens; however, virus is rarely detected by this method. We tested 502 environmental LPM samples: 90 were positive by PCR, 10 by virus isolation. Virus circulation could be better monitored by environmental sampling of LPMs.
    Mesh-Begriff(e) Animals ; Cambodia/epidemiology ; Environmental Monitoring ; Epidemiological Monitoring ; Feces/virology ; Genome, Viral ; Influenza A Virus, H5N1 Subtype/genetics ; Influenza A Virus, H5N1 Subtype/isolation & purification ; Influenza in Birds/epidemiology ; Influenza in Birds/virology ; Multilocus Sequence Typing ; Phylogeny ; Poultry/virology ; Prevalence ; Soil Microbiology ; Water Microbiology
    Sprache Englisch
    Erscheinungsdatum 2013-01-24
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 1380686-5
    ISSN 1080-6059 ; 1080-6040
    ISSN (online) 1080-6059
    ISSN 1080-6040
    DOI 10.3201/eid1902.121201
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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