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3. Streptococcus suis infection in hospitalized patients, Nakhon Phanom Province, Thailand

Author

Praphasiri, Prabda, Owusu, Jocelynn T., Thammathitiwat, Somsak, Ditsungnoen, Darunee, Boonmongkon, Pimpawan, Sangwichian, Ornuma, Prasert, Kriengkrai, Srihapanya, Sankhom, Sornwong, Kanlaya, Kerdsin, Anusak, Dejsirilert, Surang, Baggett, Henry C., and Olsen, Sonja J.

Subjects
Streptococcal infections -- Distribution -- Causes of, Human-animal relationships -- Health aspects, Public health administration, Company distribution practices, Health
Abstract

Streptococcus suis, a zoonotic pathogen found primarily in pigs, can cause serious infection in humans. Most cases in human occur in Southeast Asia, where pig rearing is common (1). In [...]

Published
2015
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6. Genotypic profile of streptococcus suis serotype 2 and clinical features of infection in humans, Thailand

Author

Kerdsin, Anusak, Dejsirilert, Surang, Puangpatra, Parichart, Sripakdee, Saowalak, Chumla, Koranan, Boonkerd, Nitsara, Polwichai, Pitimol, Tanimura, Susumu, Takeuchi, Dan, Nakayama, Tatsuya, Nakamura, Shota, Akeda, Yukihiro, Gottschalk, Marcelo, Sawanpanyalert, Pathom, and Oishi, Kazunori

Subjects
Meningitis -- Risk factors, Healthcare industry software, Medical research, Medicine, Experimental, Genomics, Polysaccharides, Pork -- Contamination, Endocarditis -- Risk factors, Disease transmission -- Risk factors, Septic shock -- Risk factors, Food contamination, Health
Abstract

Streptococcus suis, an emerging zoonotic pathogen, causes invasive infections in persons who are in close contact with infected pigs or contaminated pork-derived products (1). On the basis of capsular polysaccharides, [...]

Published
2011
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8. Incidence of pneumococcal bacteremia requiring hospitalization in rural Thailand

Author

Baggett, Henry C., Peruski, Leonard F., Olsen, Sonja J., Thamthitiwat, Somsak, Rhodes, Julia, Dejsirilert, Surang, Wongjindanon, Wanna, Dowell, Scott F., Fischer, Julie E., Areerat, Peera, Sornjij, Denchai, Jorakate, Possawat, Kaewpan, Anek, Prapasiri, Prabda, Naorat, Sathapana, Sangsuk, Leelawadee, Eampokalap, Boonchuay, Moore, Matthew R., Carvalho, Gloria, Beall, Bernard, Ungchusak, Kumnuan, and Maloney, Susan A.

Subjects
Pneumococcal infections -- Distribution, Pneumococcal infections -- Demographic aspects, Pneumococcal infections -- Research, Company distribution practices, Health, Health care industry
Published
2009

14. Impact of a Food Safety Campaign on Streptococcus suis Infection in Humans in Thailand

Author

Takeuchi, Dan, primary, Loetthong, Phacharaphan, additional, Anukul, Rapeepun, additional, Tanburawong, Nutchada, additional, Samerchea, Sutit, additional, Areeratana, Prasanee, additional, Lekhalula, Punpong, additional, Puangmali, Panarat, additional, Nakayama, Tatsuya, additional, Yamamoto, Kouji, additional, Khamisara, Kasean, additional, Hirose, Masayo, additional, Hamada, Shigeyuki, additional, Kerdsin, Anusak, additional, Dejsirilert, Surang, additional, Akeda, Yukihiro, additional, Oishi, Kazunori, additional, Chiranairadul, Piphat, additional, and Pinyo, Wirasinee, additional

Published
2017
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16. Genotypic diversity of <italic>Streptococcus suis</italic> strains isolated from humans in Thailand.

Author

Kerdsin, Anusak, Akeda, Yukihiro, Takeuchi, Dan, Dejsirilert, Surang, Gottschalk, Marcelo, and Oishi, Kazunori

Subjects
STREPTOCOCCUS suis, POLYMERASE chain reaction, COMMUNICABLE diseases, FOOD safety, SALMONELLA enterica
Abstract

The purpose of this study is to characterize Streptococcus suis isolates recovered from human infections regarding serotype distribution, genotypic profile, clinical manifestations, and epidemiology. A total of 668 S. suis isolates recovered from human infections in Thailand were characterized based on serotyping by multiplex PCR and co-agglutination, genotypic profiles by multilocus sequence typing, and PCR for virulence-associated genes, as well as review of medical records. Serotype 2 (94.6%) was predominant, followed by serotype 14 (4.5%), 24 (0.45%), 5 (0.3%), and 4 (0.15%). Multilocus sequence typing analyses revealed seven clonal complexes (CC): CC1 (56.43%), CC104 (31.74%), CC233/379 (5.4%), CC25 (4.5%), CC28 (0.9%), CC221/234 (0.6%), CC94 (0.15%), and two singletons. The CC1 group contained serotype 2 and 14 isolates, while CC25, 28, 104, and 233/379 consisted of serotype 2 isolates only. CC221/234 contained serotype 5 and 24 isolates, whereas the single serotype 4 isolate belonged to CC94. Two singletons contained serotype 5 (ST235) and 2 (ST236) isolates. Our data showed that ST1 isolates were more associated with meningitis than those of other STs (p < 0.001). The major route of infection was shown to be close contact with infected pigs or contaminated raw pork-derived products, including occupational exposure and recent consumption of raw pork products. This study revealed a relatively large number of CCs of S. suis causing human infection in Thailand. Among them, CC1 followed by CC104, with serotype 2 isolates, are predominant. Food safety campaigns and public health interventions would be important for controlling the S. suis infection in humans. [ABSTRACT FROM AUTHOR]

Published
2018
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18. Streptococcus suisInfection in Hospitalized Patients, Nakhon Phanom Province, Thailand

Author

Prapasiri, Prabda, primary, Owusu, Jocelynn T., additional, Thammathitiwat, Somsak, additional, Ditsungnoen, Darunee, additional, Boonmongkon, Pimpawan, additional, Sangwichian, Ornuma, additional, Prasert, Kriengkrai, additional, Srihapanya, Sankhom, additional, Sornwong, Kanlaya, additional, Kerdsin, Anusak, additional, Dejsirilert, Surang, additional, Baggett, Henry C., additional, and Olsen, Sonja J., additional

Published
2015
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19. Streptococcus suisInfection in Hospitalized Patients, Nakhon Phanom Province, Thailand

Author

Praphasiri, Prabda, primary, Owusu, Jocelynn T., additional, Thammathitiwat, Somsak, additional, Ditsungnoen, Darunee, additional, Boonmongkon, Pimpawan, additional, Sangwichian, Ornuma, additional, Prasert, Kriengkrai, additional, Srihapanya, Sankhom, additional, Sornwong, Kanlaya, additional, Kerdsin, Anusak, additional, Dejsirilert, Surang, additional, Baggett, Henry C., additional, and Olsen, Sonja J., additional

Published
2015
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20. Incidence and Etiology of Acute Lower Respiratory Tract Infections in Hospitalized Children Younger Than 5 Years in Rural Thailand

Author

Hasan, Reem, primary, Rhodes, Julia, additional, Thamthitiwat, Somsak, additional, Olsen, Sonja J., additional, Prapasiri, Prabda, additional, Naorat, Sathapana, additional, Chittaganpitch, Malinee, additional, Henchaichon, Sununta, additional, Dejsirilert, Surang, additional, Srisaengchai, Prasong, additional, Sawatwong, Pongpun, additional, Jorakate, Possawat, additional, Kaewpan, Anek, additional, Fry, Alicia M., additional, Erdman, Dean, additional, Chuananon, Somchai, additional, Amornintapichet, Tussanee, additional, Maloney, Susan A., additional, and Baggett, Henry C., additional

Published
2014
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22. Pneumococcal Bacteremia Requiring Hospitalization in Rural Thailand: An Update on Incidence, Clinical Characteristics, Serotype Distribution, and Antimicrobial Susceptibility, 2005–2010

Author

Rhodes, Julia, primary, Dejsirilert, Surang, additional, Maloney, Susan A., additional, Jorakate, Possawat, additional, Kaewpan, Anek, additional, Salika, Prasert, additional, Akarachotpong, Thantapat, additional, Prapasiri, Prabda, additional, Naorat, Sathapana, additional, Areerat, Peera, additional, Ruayajin, Asadang, additional, Sawanpanyalert, Pathom, additional, Akarasewi, Pasakorn, additional, Peruski, Leonard F., additional, and Baggett, Henry C., additional

Published
2013
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23. Adult pertussis is unrecognized public health problem in Thailand.

Author

Nirada Siriyakorn, Pornvimol Leethong, Terapong Tantawichien, Saowalak Sripakdee, Anusak Kerdsin, Surang Dejsirilert, Paitoonpong, Leilani, Siriyakorn, Nirada, Leethong, Pornvimol, Tantawichien, Terapong, Sripakdee, Saowalak, Kerdsin, Anusak, and Dejsirilert, Surang

Subjects
BORDETELLA pertussis, PUBLIC health, EPIDEMIOLOGY, ETIOLOGY of diseases, WHOOPING cough, BACTERIAL toxins, COUGH, ENZYME-linked immunosorbent assay, LONGITUDINAL method, POLYMERASE chain reaction, RESPIRATORY infections, DISEASE prevalence, DISEASE complications
Abstract

Background: Although pertussis has been considered a disease of childhood, it is also recognized as an important respiratory tract infection in adolescents and adults. However, in countries with routine vaccination against pertussis with high coverage, pertussis is not usually taken into consideration for the etiology of prolonged cough in adults. Previous studies in a variety of populations in developed countries have documented that pertussis is quite common, ranging from 2.9 to 32% of adolescents and adults with prolonged cough. The anticipation and early recognition of this change in the epidemiology is important because the affected adolescents and adults act as reservoirs of the disease and source of infection to the vulnerable population of infants, for whom the disease can be life threatening. We conducted a prospective study to determine the prevalence of pertussis in Thai adults with prolonged cough.Methods: Seventy-six adult patients with a cough lasting for more than 2 weeks (range, 14-180 days) were included in the present study. The data regarding medical history and physical examination were carefully analyzed. Nasopharyngeal swabs from all patients were obtained for the detection of deoxyribonucleic acid of Bordetella pertussis by the polymerase chain reaction (PCR) method. Paired serum samples were collected and tested for IgG antibody against pertussis toxin by using an ELISA method.Results: Of 76 adult patients, 14 patients (18.4%) with the mean age of 59 (range, 28-85) years and the mean duration of cough of 34 (range, 14-120) days had laboratory evidence of acute pertussis infection. One patient was diagnosed by the PCR method, while the rest had serological diagnosis. Whooping cough is a significantly associated symptom of patients with chronic cough who had laboratory evidence of pertussis. (p < .05, odds ratio 3.75, 95% confidence interval: 1.00, 14.06) CONCLUSION: Pertussis is being increasingly recognized as a cause of prolonged, distressing cough among adults in Thailand. This result addresses the need of pertussis vaccination in Thai adults for preventing transmission to a high risk group such as newborn infants. [ABSTRACT FROM AUTHOR]

Published
2016
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25. Population-Based Study of Streptococcus suis Infection in Humans in Phayao Province in Northern Thailand

Author

Takeuchi, Dan, primary, Kerdsin, Anusak, additional, Pienpringam, Anupong, additional, Loetthong, Phacharaphan, additional, Samerchea, Sutit, additional, Luangsuk, Pakkinee, additional, Khamisara, Kasean, additional, Wongwan, Nithita, additional, Areeratana, Prasanee, additional, Chiranairadul, Piphat, additional, Lertchayanti, Suwat, additional, Petcharat, Sininat, additional, Yowang, Amara, additional, Chaiwongsaen, Phanupong, additional, Nakayama, Tatsuya, additional, Akeda, Yukihiro, additional, Hamada, Shigeyuki, additional, Sawanpanyalert, Pathom, additional, Dejsirilert, Surang, additional, and Oishi, Kazunori, additional

Published
2012
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27. Sepsis and spontaneous bacterial peritonitis in Thailand

Author

Kerdsin, Anusak, primary, Dejsirilert, Surang, additional, Sawanpanyalert, Pathom, additional, Boonnark, Adisorn, additional, Noithachang, Wipa, additional, Sriyakum, Duangdao, additional, Simkum, Somchai, additional, Chokngam, Sukenya, additional, Gottschalk, Marcelo, additional, Akeda, Yukihiro, additional, and Oishi, Kazunori, additional

Published
2011
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28. Incidence of Bacteremic Melioidosis in Eastern and Northeastern Thailand

Author

Bhengsri, Saithip, primary, Peruski, Leonard F., additional, Baggett, Henry C., additional, Tanwisaid, Kittisak, additional, Jorakate, Possawat, additional, Kaewpan, Anek, additional, Salika, Prasert, additional, Naorat, Sathapana, additional, Dejsirilert, Surang, additional, Chantra, Somrak, additional, Prapasiri, Prabda, additional, Maloney, Susan A., additional, and Thamthitiwat, Somsak, additional

Published
2011
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29. Genotypic Profile ofStreptococcus suisSerotype 2 and Clinical Features of Infection in Humans, Thailand

Author

Kerdsin, Anusak, primary, Dejsirilert, Surang, additional, Puangpatra, Parichart, additional, Sripakdee, Saowalak, additional, Chumla, Koranan, additional, Boonkerd, Nitsara, additional, Polwichai, Pitimol, additional, Tanimura, Susumu, additional, Takeuchi, Dan, additional, Nakayama, Tatsuya, additional, Nakamura, Shota, additional, Akeda, Yukihiro, additional, Gottschalk, Marcelo, additional, Sawanpanyalert, Pathom, additional, and Oishi, Kazunori, additional

Published
2011
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30. Antibiotic Use in Thailand: Quantifying Impact on Blood Culture Yield and Estimates of Pneumococcal Bacteremia Incidence

Author

Rhodes, Julia, primary, Peruski, Leonard F., additional, Tanwisaid, Kittisak, additional, Olsen, Sonja J., additional, Jorakate, Possawat, additional, Thamthitiwat, Somsak, additional, Hyder, Joseph A., additional, Baggett, Henry C., additional, Chantra, Somrak, additional, Dejsirilert, Surang, additional, Fisher, Cindy, additional, Maloney, Susan A., additional, Dowell, Scott F., additional, and Kaewpan, Anek, additional

Published
2010
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31. Impact of Pandemic Influenza (H1N1) Virus-Associated Community-Acquired Pneumonia among Adults in a Tertiary Hospital in Thailand

Author

Champunot, Ratapum, primary, Tanjatham, Sansanee, additional, Kerdsin, Anusak, additional, Puangpatra, Parichart, additional, Wangsai, Sunee, additional, Treebuphachatsakul, Pornpit, additional, Tasnsuphaswasdikul, Somboon, additional, Kiatvitchukul, Chavalit, additional, Kasyanan, Harutaya, additional, Yimsabai, Jutharak, additional, Akeda, Yukihiro, additional, Kawakami, Kazuyoshi, additional, Sawanpanyalert, Pathom, additional, Dejsirilert, Surang, additional, and Oishi, Kazunori, additional

Published
2010
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32. Development of Triplex SYBR Green Real-Time PCR for Detecting Mycoplasma pneumoniae, Chlamydophila pneumoniae, and Legionella spp. without Extraction of DNA

Author

Kerdsin, Anusak, primary, Uchida, Ryuichi, additional, Verathamjamrus, Chris, additional, Puangpatra, Parichart, additional, Kawakami, Kazuyoshi, additional, Puntanakul, Pollert, additional, Lochindarat, Sorasak, additional, Bunnag, Thanyanut, additional, Sawanpanyalert, Pathom, additional, Dejsirilert, Surang, additional, and Oishi, Kazunori, additional

Published
2010
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43. Contribution of the BacT/Alert MB MycobacteriumBottle to Bloodstream Infection Surveillance in Thailand: Added Yield for Burkholderia pseudomallei

Author

Jorakate, Possawat, Higdon, Melissa, Kaewpan, Anek, Makprasert, Sirirat, Yuenprakhon, Somkhit, Tawisaid, Kittisak, Dejsirilert, Surang, Whistler, Toni, and Baggett, Henry C.

Abstract

ABSTRACTCommunity-acquired bloodstream infections cause substantial morbidity and mortality worldwide, but microbiology capacity and surveillance limitations have challenged good descriptions of pathogen distribution in many regions, including Southeast Asia. Active surveillance for bloodstream infections has been conducted in two rural Thailand provinces for >7 years. Blood specimens were divided into two culture bottles, one optimized for aerobic growth (F bottle) and a second for enhanced growth of mycobacteria (MB bottle), and processed with the BactT/Alert 3D system. Because the routine use of MB culture bottles is resource intensive (expensive and requires prolonged incubation), we assessed the added yield of MB bottles by comparing the proportion of pathogens detected by MB versus that by F bottles from 2005 to 2012. Of 63,066 blood cultures, 7,296 (12%) were positive for at least one pathogen; the most common pathogens were Escherichia coli(28%), Burkholderia pseudomallei(11%), Klebsiella pneumoniae(9%), and Staphylococcus aureus(6%). Two bottles improved the yield overall, but the added yield attributable to the MB bottles was limited to a few pathogens. In addition to the detection of mycobacteria and some fungi, MB bottles improved the detection of B. pseudomallei(27% [MB] versus 8% [F]; P< 0.0001), with added benefit if therapy was initiated prior to the blood culture. The targeted use of MB bottles is warranted for patients at risk for mycobacterial and fungal infections and for infection with B. pseudomallei, a common cause of septicemia in Thailand.

Published
2014
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47. Cloning and characterization of the gene encoding the z66 antigen of Salmonella enterica serovar Typhi

Author

Huang, Xinxiang, Phung, Le V., Dejsirilert, Surang, Tishyadhigama, Prapawadee, Li, Ying, Liu, Hongshen, Hirose, Kenji, Kawamura, Yoshiaki, and Ezaki, Takayuki

Subjects
EXONS (Genetics), SALMONELLA, ANTIGENS, GENETIC engineering, PROTEINS
Abstract

Z66 antigen-positive strains of Salmonella enterica serovar Typhi change flagellin expression in only one direction from the z66 antigen to the d or j antigen, which is different from the phase variation of S. enterica serovar Typhimurium. In the present study, we identified a new flagellin gene in z66 antigen-positive strains of S. enterica serovar Typhi. The genomic structure of the region containing this new flagellin gene was similar to that of fljBA operon of biphasic S. enterica serovars. A fljA-like gene was present downstream of the new flagellin gene. A rho-independent terminator was located between the new flagellin gene and the fljA-like gene. Hin-like gene was not present upstream of the new flagellin gene. We generated a mutant strain of S. enterica serovar Typhi, which carries a deletion of the new flagellin gene. Western blotting revealed that the 51-kDa z66 antigen protein was absent from the population of proteins secreted by the mutant strain. Southern hybridization demonstrated that the z66 antigen-positive strains of S. enterica serovar Typhi carried the new flagellin gene and fliC on two different genomic EcoRI fragments. When z66 antigen-positive strains were incubated with anti-z66 antiserum, the flagellin expression by S. enterica serovar Typhi changed from z66 antigen to j antigen. The new flagellin gene and the fljA-like gene were absent in the strain with altered flagellin expression. These results suggested that the new flagellin gene is a fljB-like gene, which encodes the z66 antigen of S. enterica serovar Typhi, and that deletion of fljBA-like operon may explain why S. enterica serovar Typhi alters the flagellin expression in only one direction from the z66 antigen to the d or j antigen. [Copyright &y& Elsevier]

Published
2004
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48. Risk Factors for and Outcomes of Healthcare-Associated Infection Due to Extended-Spectrum β-Lactamase-Producing Escherichia colior Klebsiella pneumoniaein Thailand

Author

Apisarnthanarak, Anucha, Kiratisin, Pattarachai, Saifon, Payawan, Kitphati, Rungrueng, Dejsirilert, Surang, and Mundy, Linda M.

Abstract

A matched case-control study was performed to evaluate the risk factors for and outcomes of healthcare-associated infection due to extended-spectrum β-lactamase-producing Escherichia colior extended-spectrum β-lactamase-producing Klebsiella pneumoniaein Thailand. By multivariable analysis, prior exposure to third-generation cephalosporins and transfer from another hospital were risk factors associated with infection. Receipt of inadequate antimicrobial therapy was a predictor of mortality.

Published
2007
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49. FREQUENT HAEMOPHILUS INFLUENZAETYPE B COLONIZATION IN RURAL THAILAND

Author

Olsen, Sonja J., Dejsirilert, Surang, Sangsuk, Leelawadee, Chunsutiwat, Supamit, and Dowell, Scott F.

Abstract

In Asia, there is uncertainty regarding whether the burden of Haemophilus influenzaetype b (Hib) disease is great enough to warrant vaccination. In this nasopharyngeal carriage study in rural Thailand, 7% of children younger than 5 years of age carried Hib, a prevalence similar to that found in countries with high rates of Hib disease before vaccine introduction.

Published
2005
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50. Burkholderia uboniaeSp. Nov., l‐Arabinose‐Assimilating but Different from Burkholderia thailandensisand Burkholderia vietnamiensis

Author

Yabuuchi, Eiko, Kawamura, Yoshiaki, Ezaki, Takayuki, Ikedo, Masanari, Dejsirilert, Surang, Fujiwara, Nagatoshi, Naka, Takashi, and Kobayashi, Kazuo

Abstract

A polar multitrichous Gram‐negative motile rod, EY 3383, originally identified as Burkholderia thailandensis, revealed a DNA‐DNA reassociation rate of 36.7%, under stringent conditions, with the type strain of B. thailandensis, despite the 16S rDNA homology value between two type strains being as high as 97.9%. The strain was clearly differentiated from the type strain of B. thailandensisby physiological, biochemical, and nutritional characteristics, without significant difference in cellular fatty acid and lipid composition. Based on the results of 16S rDNA sequence analysis, DNA‐DNA hybridization and phenotypic characterization, Burkholderia uboniaesp. nov. is herein proposed. The type strain is NCTC 13147=EY 3383, isolated on 8 December 1989 from surface soil along the roadside in Ubon Ratchathani, Thailand. Major respiratory quinone is ubiquinone‐8(Q8). G+C content of DNA is 69.71%.

Published
2000
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