Name: Chukiat Sirivichayakul
Position: Associate Professor
Department: Tropical Pediatrics
Sirivichayakul C, Biswal S, Saez-Llorens X, López-Medina E, Borja-Tabora C, Bravo L, Kosalaraksa P, Alera MT, Reynales H, Rivera L, Watanaveeradej V, Yu D, Espinoza F, Dietze R, Fernando L, Wickramasinghe VP, Moreira ED Jr, Fernando AD, Gunasekera D, Luz K, Venâncio da Cunha R, Oliveira AL, Rauscher M, Fan H, Borkowski A, Escudero I, Tuboi S, LIoyd E, Tricou V, Folschweiller N, LeFevre I, Vargas LM, Wallace D. Efficacy and safety of a tetravalent dengue vaccine (TAK-003) in children with prior Japanese Encephalitis or Yellow Fever vaccination. JID. 2024 April 29;doi.org/10.1093/infdis/jiae222.
Borja-Tabora C, Fernando LK, Medina EL, Reynales H, Rivera L, Saez-Llorens X, Sirivichayakul C, Yu D, Folschweiller N, Moss KJ, Rauscher M, Tricou V, Zhao Y, Biswal S. Immunogenicity, safety, and efficacy of a tetravalent dengue vaccine in children and adolescents: an analysis by age group. Clinical Infectious Diseases 2024 July 12:doi.org/10.1093/cid/ciae369.
Pitisuttithum P, Sirivichayakul C, Dhitavat J, Pitisuthitham A, Mansouri S, Pham HT. Pertussis immunity 5 years after booster vaccination with recombinant pertussis vaccines. JAMA Network Open. 2024 Dec;7(12):e2449182.
Tricou V, Yu D, Reynales H, Biswal S, Saez-Llorens X, Sirivichayakul C, Lopez P, Borja-Tabora C, Bravo L, Kosalaraksa P, Vargas LM, Alera MT, Rivera L, Watanaveeradej V, Dietze R, Fernando L, Wickramasinghe VP, Moreira ED Jr, Fernando AD, Gunasekera D, Luz K, Oliveira AL, Tuboi S, Escudero I, Hutagalung Y, Lloyd E, Rauscher M, Zent O, Folschweiller N, LeFevre I, Espinoza F, Wallace D. Long-term efficacy and safety of a tetravalent dengue vaccine (TAK-003): 4·5-year results from a phase 3, randomised, double-blind, placebo-controlled trial. Lancet Glob Health. 2024 Feb;12(2):e257-e270.
Sriprapun M, Rattanamahaphoom J, Sriburin P, Chatchen S, Limkittikul K, Sirivichayakul C. The expression of circulating hsa-miR-126-3p in dengue-infected Thai pediatric patients. Pathog Glob Health. 2023 Feb;117(1):76-84.
Rivera L, Biswal S, Sáez-Llorens X, Reynales H, López-Medina E, Borja-Tabora C, Bravo L, Sirivichayakul C, Kosalaraksa P, Martinez Vargas L, Yu D, Watanaveeradej V, Espinoza F, Dietze R, Fernando L, Wickramasinghe P, Duarte MoreiraJr E, Fernando AD, Gunasekera D, Luz K, Venâncioda Cunha R, Rauscher M, Zent O, Liu M, Hoffman E, LeFevre I, Tricou V, Wallace D, Alera M, Borkowski A. Three-year Efficacy and Safety of Takeda's Dengue Vaccine Candidate (TAK-003). Clin Infect Dis. 2022 Aug 24;75(1):107-117.
López-Medina E, Biswal S, Saez-Llorens X, Borja-Tabora C, Bravo L, Sirivichayakul C, Vargas LM, Alera MT, Velásquez H, Reynales H, Rivera L, Watanaveeradej V, Rodriguez-Arenales EJ, Yu D, Espinoza F, Dietze R, Fernando LK, Wickramasinghe P, Duarte Moreira E, Fernando AD, Gunasekera D, Luz K, da Cunha RV, Tricou V, Rauscher M, Liu M, LeFevre I, Wallace D, Kosalaraksa P, Borkowski A. Efficacy of a Dengue Vaccine Candidate (TAK-003) in Healthy Children and Adolescents 2 Years after Vaccination. J Infect Dis. 2022 May 4;225(9):1521-1532.
Kurahashi Y, Hattasingh W, Chatchen S, Yingtaweesak T, Sirivichayakul C. Association of undernutrition with dengue, malaria and acute diarrhea among children in a Thai-Myanmar border. J Public Health (Oxf). 2022 Mar 7;44(1):77-83.
Sriprapun M, Rattanamahaphoom J, Sriburin P, Chatchen S, Limkittikul K, Sirivichayakul C. The expression of circulating hsa-miR-126-3p in dengue-infected Thai pediatric patients. Pathog Glob Health. 2023 Feb;117(1):76-84.
Sittikul P, Sriburin P, Rattanamahaphoom J, Limkittikul K, Sirivichayakul C, Chatchen S. Combining Immunoassays to Identify Zika Virus Infection in Dengue-Endemic Areas. Trop Med Infect Dis. 2022 Sep 21;7(10):254.
Chakma R, Sriburin P, Sittikul P, Rattanamahaphoom J, Nuprasert W, Thammasonthijarern N, Maneekan P, Thaipadungpanit J, Arunsodsai W, Sirivichayakul C, Limkittikul K, Chatchen S. Arbovirus Seroprevalence Study in Bangphae District, Ratchaburi Province, Thailand: Comparison between ELISA and a Multiplex Rapid Diagnostic Test (Chembio DPP® ZCD IgG). Trop Med Infect Dis. 2022 Nov 15;7(11):378.
Kurahashi Y, Hattasingh W, Chatchen S, Yingtaweesak T, Sirivichayakul C. Association of undernutrition with dengue, malaria and acute diarrhea among children in a Thai – Myanmar border. Journal of Public Health. 2022 March;44(1):77-83.
Hattasingh W, Chanthavanich P, Sirivichayakul C, Arunsodsai W, Surangsrirat S, Srisuwannaporn T, Kaewma B, Yoksan S, Limkittikul K, Yang J, Mao Y. Antibody persistence upto 5 years after primary immunization and booster with an inactivated chromatographically purified Vero cell-derived Japanese encephalitis vaccine in Thai children. Hum Vaccin Immunother 2022 February;18(1):2028513.
López-Medina E, Biswal S, Saez-Llorens X, Borja-Tabora C, Bravo L, Sirivichayakul C, Vargas LM, Alera MT, Velásquez H, Reynales H, Rivera L, Watanaveeradej V, Rodriguez-Arenales EJ, Yu D, Espinoza F, Dietze R, Fernando LK, Wickramasinghe P, Moreira ED, Fernando AD, Gunasekera D, Luz K, Venâncio da Cunha R, Tricou V, Rauscher M, Liu M, LeFevre I, Wallace D, Kosalaraksa P, Borkowski A. Efficacy of a dengue vaccine candidate (TAK-003) in healthy children and adolescents 2 years after vaccination. JID 2022 May;225:1521-1532.
Piriyakiphaiboon V, Sirinam S, Noipayak P, Sirivichayakul C, Pornrattanarungsri S, Limkittikul K. Risk factors for recurrent abdominal pain in children with nonorganic acute abdominal pain. Pediatr Gastroenterol Hepatol Nutr. 2022 March;25(2):129-137.
Kurahashi Y, Hattasingh W, Chatchen S, Yingtaweesak T, Sirivichayakul C. Association of undernutrition with dengue, malaria and acute diarrhea among children in a Thai-Myanmar border. J Public Health (Oxf). 2021 May 17:fdab146. doi: 10.1093/pubmed/fdab146.
Pitisuttithum P, Dhitavat J, Sirivichayakul C, Pitisuthitham A, Sabmee Y, Chinwangso P, Kerdsomboon C, Fortuna L, Spiegel J, Chauhan M, Poredi IK, van den Biggelaar AHJ, Wijagkanalan W, Viviani S, Mansouri S, Pham HT. Antibody persistence 2 and 3 years after booster vaccination of adolescents with recombinant acellular pertussis monovalent aPgen or combined TdaPgen vaccines. EClinicalMedicine. 2021 Jun 23;37:100976.
Lim JK, Chanthavanich P, Limkittikul K, Lee JS, Sirivichayakul C, Lee KS, Lim SK, Yoon IK, Hattasingh W. Clinical and epidemiologic characteristics associated with dengue fever in 2011-2016 in Bang Phae district, Ratchaburi province, Thailand. PLoS Negl Trop Dis. 2021 Jun 30;15(6):e0009513.
Sriburin P, Sittikul P, Kosoltanapiwat N, Sirinam S, Arunsodsai W, Sirivichayakul C, Limkittikul K, Chatchen S. Incidence of Zika Virus Infection from a Dengue Epidemiological Study of Children in Ratchaburi Province, Thailand. Viruses. 2021 Sep 10;13(9):1802.
Eduardo López-Medina, Shibadas Biswal , Xavier Saez-Llorens , Charissa Borja-Tabora , Lulu Bravo , Chukiat Sirivichayakul , Luis Martinez Vargas , Maria Theresa Alera, Hector Velásquez, Humberto Reynales , Luis Rivera, Veerachai Watanaveeradej, Edith Johana Rodriguez-Arenales, Delia Yu 14, Felix Espinoza 15, Reynaldo Dietze 16, LakKumar Fernando 17, Pujitha Wickramasinghe 18, Edson Duarte Moreira Jr 19, Asvini D Fernando 20, Dulanie Gunasekera 21, Kleber Luz 22, Rivaldo Venâncio da Cunha 23, Vianney Tricou 24, Martina Rauscher 24, Mengya Liu 2, Inge LeFevre 24, Derek Wallace 2, Pope Kosalaraksa 25, Astrid Borkowski 24, TIDES study group. Efficacy of a dengue vaccine candidate (TAK-003) in healthy children and adolescents two years after vaccination. J Infect Dis 2020 Dec 15;jiaa761. doi: 10.1093/infdis/jiaa761.
Biswal S, Borja-Tabora C, Martinez Vargas L, et al. Efficacy of a tetravalent dengue vaccine in healthy children aged 4-16 years: a randomised, placebo-controlled, phase 3 trial. Lancet. 2020;395(10234):1423‐1433.
Husada D, Chanthavanich P, Chotigeat U, et al. Predictive model for bacterial late-onset neonatal sepsis in a tertiary care hospital in Thailand. BMC Infect Dis. 2020;20(1):151.
Biswal S, Reynales H, Saez-Llorens X, et al. Efficacy of a Tetravalent Dengue Vaccine in Healthy Children and Adolescents. N Engl J Med. 2019;381(21):2009‐2019.
Sirivichayakul C, Limkittikul K, Chanthavanich P, et al. Monoclonal antibody-based capture ELISA in the diagnosis of previous dengue infection. Virol J. 2019;16(1):125.
Pitisuttithum P, Chokephaibulkit K, Sirivichayakul C, Sricharoenchai S, Dhitavat J, Pitisuthitham A, Phongsamart W, Boonnak K, Lapphra K, Sabmee Y, Wittawatmongkol O, Chauhan M, Wijagkanalan W, Hommalai G, Fortuna L, Chinwangso P, Poredi IK, van den Biggelaar AHJ, Pham HT, Viviani S. Antibody persistence after vaccination of adolescents with monovalent and combined acellular pertussis vaccines containing genetically inactivated pertussis toxin: a phase 2/3 randomised, controlled, non-inferiority trial. Lancet Infect Dis. 2018 Nov;18(11):1260-1268.
Potiwat R, Tanyaratsrisakul S, Maneewatchararangsri S, Manuyakorn W, Rerkpattanapipat T, Samung Y, Sirivichayakul C, Chaicumpa W, Sitcharungsi R. Solenopsis geminata (tropical fire ant) anaphylaxis among Thai patients: its allergens and specific IgE-reactivity. Asian Pac J Allergy Immunol. 2018 Jun;36(2):101-108.
Sirivichayakul C, Limkittikul K, Sabchareon A, Jiwariyavej V, Dulyachai W, Suvannadabba S, Chanthavanich P, Letson GW, Margolis HS. A clinical score for diagnosis of probable dengue in children in an endemic area, Thailand. Southeast Asian J Trop Med Public Health 2018 May;49(3):391-400.
Chanthavanich P, Limkittikul K, Sirivichayakul C, Chokejindachai W, Hattasingh W, Pengsaa K, Surangsrirat S, Srisuwannaporn T, Kaewma B, Yoksan S, Jun G, Zhumu B. Immunogenicity and safety of inactivated chromatographically purified Vero cell-derived Japanese encephalitis vaccine in Thai children. Hum Vaccin Immunother 2018;14(4):900-905.
Tareen Z, Jirapradittha J, Sirivichayakul C, Chokejindachai W, Rafiqi N. Factors Associated with Mortality Outcomes in Neonatal Septicemia in Srinagarind Hospital, Thailand. Neonat Pediatr Med 2017;3:131. doi:10.4172/2572-4983.1000131.
Sricharoenchai S, Sirivichayakul C, Chokephaibulkit K, Pitisuttithum P, Dhitavat J, Pitisuthitham A, Phongsamart W, Boonnak K, Lapphra K, Sabmee Y, Wittawatmongkol O, Chinwangso P, Poredi IK, Petre J, Thai PH, Viviani S. A genetically inactivated two-component acellular pertussis vaccine, alone or combined with tetanus and reduced-dose diphtheria vaccines, in adolescents: a phase 2/3, randomised controlled non-inferiority trial. Lancet Infect Dis. 2018 Jan;18(1):58-67.
Sirivichayakul C, Chanthavanich P, Limkittikul K, Siegrist CA, Wijagkanalan W, Chinwangso P, Petre J, Hong Thai P, Chauhan M, Viviani S. Safety and immunogenicity of a combined Tetanus, Diphtheria, recombinant acellular Pertussis vaccine (TdaP) in healthy Thai adults. Human Vaccines & Immunotherapeutics 2017 January;13(1):136-43.
Sricharoenchai S, Sirivichayakul C, Chokephaibulkit K, Pitisuttithum P, Dhitavat J, Pitisuthitham A, Phongsamart W, Boonnak K, Lapphra K, Sabmee Y, Wittawatmongkol O, Chinwangso P, Poredi IK, Petre J, Thai PH, Viviani S. A genetically inactivated two-component acellular pertussis vaccine, alone or combined with tetanus and reduced-dose diphtheria vaccines, in adolescents: a phase 2/3, randomized controlled non-inferiority trial. Articles 2017 October:http://dx.doi.org/10.1016/PII.
Yamagishi J, Runtuwene LR, Hayashida K, Mongan AE, Thi LAN, Thuy LN, Nhat CN, Limkittikul K, Sirivichayakul C, Sathirapongsasuti N, Frith M, Makalowski W, Eshita Y, Sugano S, Suzuki Y. Serotyping dengue virus with isothermal amplification and a portable sequencer. Sci Rep. 2017 Jun 14;7(1):3510. doi:10.1038/s41598-017-03734-5.
Chatchen S, Sabchareon A, Sirivichayakul C. Serodiagnosis of asymptomatic dengue infection. Asian Pac J Trop Med. 2017;10(1):11-4.
Chokephaibulkit K, Sirivichayakul C, Thisyakorn U, Pancharoen C, Boaz M, Bouckenooghe A, Feroldi E. Long-term follow-up of Japanese encephalitis chimeric virus vaccine: Immune responses in children. Vaccine. 2016;34(46):5664-9.
Chatchen S, Limkittikul K, Sriburin P, Sabchareon A, Sirivichayakul C. Monoclonal antibody-based enzyme immunoassay for epidemiological studies of asymptomatic dengue infection. Advances in Infectious Diseases 2016;6:113-119.
Plennevaux E, Sabchareon A, Limkittikul K, Chanthavanich P, Sirivichayakul C, Moureau A, Boaz M, Wartel TA, Saville M, Bouckenooghe A. Detection of dengue cases by serological testing in a dengue vaccine efficacy trial: Utility for efficacy evaluation and impact of future vaccine introduction. Vaccine. 2016;34(24):2707-12.
Lee JS, Mogasale V, Lim JK, Carabali M, Sirivichayakul C, Anh DD, Lee KS, Thiem VD, Limkittikul K, Tho LH, Velez ID, Osorio JE, Chanthavanich P, da Silva LJ, Maskery BA. RESEARCH ARTICLE A multi-country study of the household willingness-to-pay for dengue vaccines: household surveys in Vietnam, Thailand, and Colombia. PLOS Neglected Tropical Diseases 2015 June | DOI:10.1371/journal.pntd.0003810.
Fortuna L, Sirivichayakul C, Watanaveeradej V, Soonthornworasiri N, Sitcharungsi R. Adverse events post DTaP and DTwP vaccination in Thai Children. Southeast Asian J Trop Med Public Health 2015;46(4):764-74.
Sirivichayakul C, Sabchareon A, Limkittikul K, Yoksan S. Plaque reduction neutralization antibody test does not accurately predict protection against dengue infection in Ratchaburi cohort, Thailand. Virol J. 2014;11(1):48.
Jain VK, Rivera L, Zaman K, Espos RA, Sirivichayakul C, Quiambao BP, Rivera-Medina DM, Kerdpanich P, Ceyhan M, Dinleyici EC, Cravioto A, Yunus M, Chanthavanich P, Limkittikul K, Kurugol Z, Alhan E, Caplanusi A, Duviaux S, Boutet P, Ofori-Anyinam O, Chandrasekaran V, Dbaibo G, Innis BL. N Engl J Med 2013;369(26):2481-2491.
Namvongsa V, Sirivichayakul C, Songsithichok S, Chanthavanich P, Chokejindachai W, Sitcharungsi R. Differences in clinical features between children and adults with dengue hemorrhagic fever/dengue shock syndrome. Southeast Asian J Trop Med Public Health 2013;44(5):772-779.
Pasaribu AP, Chokejindachai W, Sirivichayakul C, Tanomsing N, Chavez I, Tjitra E, Pasaribu S, Imwong M, White NJ, Dondorp AM. A randomized comparison of dihydroartemisinin-piperaquine and artesunate-amodiaquine combined with primaquine for radical treatment of vivax malaria in Sumatera, Indonesia. J Infect Dis 2013 December;208:1906-1913.
Sitcharungsi R, Sirivichayakul C. Review Allergic diseases and helminth infections. Pathogens and Global Health 2013;107(3):110-115.
Takeno S, Wisanuyotin S, Jiravuttipong A, Sirivichayakul C, Limkittikul K. Risk factors and outcome of atypical acute post-streptococcal glomerulonephritis in pediatrics. Southeast Asian J Trop Med Public Health 2013 March;44(2):281-288.
Sabchareon A, Wallace D, Sirivichayakul C, Limkittikul K, Chanthavanich P, Suvannadabba S, Jiwariyavej V, Dulyachai W, Pengsaa K, Wartel TA, Moureau A, Saville M, Bouckenooghe A, Viviani S, Tornieporth NG, Lang J. Protective efficacy of the recombinant, live-attenuated, CYD tetravalent dengue vaccine in Thai schoolchildren: a randomized, controlled phase 2b trial. Articles; Published online September 11, 2012 http://dx.doi.org/10.1016/S0140-6736(12)61428-7:1-9.
Sabchareon A, Sirivichayakul C, Limkittikul K, Chanthavanich P, Suvannadabba S, Jiwariyavej V, Chokejindachai W, Pengsaa K. Dengue Infection in Children in Ratchaburi, Thailand: A Cohort Study. I. Epidemiology of Symptomatic Acute Dengue Infection in Children, 2006–2009. PLoS Neglect Trop Dis 2012 July;6(7) e1732:1-8.
Sirivichayakul C, Limkittikul K, Chanthavanich P, Jiwariyavej V, Chokejindachai W, Pengsaa K, Suvannadabba S, Dulyachai W, Letson GW, Sabchareon A. Dengue infection in children in Ratchaburi, Thailand: A cohort study. II. Clinical manifestations. PLoS Neglect Trop Dis 2012 Feb;6(2) e1520:1-10.
Sitcharungsi R, Ananworanich J, Pornvoranunt A, Apornpong T, Bunupuradah T, Khupulsup K, Nouanthong P, Vilaiyuk S, Phasomsap C, Kamchaisatian W, Pancharoen C, Puthanakit T, Sirivichayakul C, Benjaponpitak S. Serum immunoglobulin levels in healthy Thai infants and children aged 0-2 years determined by nephelometry. J Allergy Clin Immunol 2012 February;129(2):AB86.
Vithayasai N, Rampengan NH, Hattasingh W, Jennuvat S, Sirivichayakul C. Clinical features of gastrointestinal salmonellosis in children in Bangkok, Thailand. Southeast Asian J Trop Med Public Health 2011; 42(4):901-911.
Wichmann O, Yoon IK, Vong S, Limkittikul K, Gibbons RV, Mammen MP, Ly S, Bucky P, Sirivichayakul C, Buathong R, Huy R, Letson GW, Sabchareon A. Dengue in Thailand and Cambodia: An assessment of the degree of underrecognized disease burden based on reported cases. PLoS Neglect Trop Dis 2011 Mar;5(3):e996:1-9.
Wichaidit W, Kaewkungwal J, Sirivichayakul C, Taechaboonsermsak P, Suvithayasiri V. Maternal and child health in a marginalized community along the Thai-Myanmar border. Southeast Asian J Trop Med Public Health 2011 Jan;42(1):152-60.
Chokephaibulkit K, Sirivichayakul C, Thisyakorn U, Sabchareon A, Pancharoen C, Bouckenooghe A, Gailhardou S, Boaz M, Feroldi E. Safety and immunogenicity of a single administration of live-attenuated Japanese encephalitis vaccine in previously primed 2- to 5-year-olds and naive 12- to 24-month-olds: multicenter randomized controlled trial. Pediatr Infect Dis J. 2010 Dec;29(12):1111-7.
Wartel-Tram A, Sirivichayakul C, Chanthavanich P, Wichmann O, Sabchareon A. Involving a local community network within a large scale, tetravalent dengue vaccine efficacy trial in Thailand. Am J Trop Med Hyg 2009 Nov;81(5):125 (Abstract No. 436).
Sirivichayakul C, Sabchareon A, Pengsaa K, Thaiarporn I, Chaivisuth A, Na-Bangchang K, Wisetsing P, Chanthavanich P, Pojjaroen-Anant C. Comparative study of the effectiveness and pharmacokinetics of two rectal artesunate/oral mefloquine combination regimens for the treatment of uncomplicated childhood falciparum malaria. Ann Trop Paediatr. 2007; 27(1):17-24.
Sirivichayakul C, Pojjaroen-Anant C, Wisetsing P, Praevanit R, Chanthavanich P, Limkittikul K. The effectiveness of 3, 5 or 7 days of albendazole for the treatment of Trichuris trichiura infection. Ann Trop Med Parasitol. 2003;97(8):847-53.
Sirivichayakul C, Pojjaroen-anant C, Wisetsing P, Siripanth C, Chanthavanich P, Pengsaa K. Prevalence of intestinal parasitic infection among Thai people with mental handicaps. Southeast Asian J Trop Med Public Health. 2003;34(2):259-63.
Sirivichayakul C, Changbumrung S, Chanthavanich P, Moungnoi P, Chokejindachai W, Attanath P, Pengsaa K. Plasma retinol and alpha-tocopherol level and growth indices of 7 months old healthy Thai infants in Bangkok. Southeast Asian J Trop Med Public Health, 2001 Jun;32(2):408-12.
Sirivichayakul C, Pojjaroen-anant C, Wisetsing P, Lalitphiphat A, Chanthavanich P, Kabkaew K. Prevalence of enterobiasis and its incidence after blanket chemotherapy in a male orphanage. Southeast Asian J Trop Med Public Health, 2000 Mar;31(1):144-6.
Sirivichayakul C, Radomyos P, Praevanit R, Pojjaroen-anant C and Wisetsing P. Hymenolepis nana infection in Thailand children. J Med Assoc Thai, 2000;83:1035-8
Pengsaa K, Sirivichayakul C, Pojjaroen-anant C, Nimnual S, Wisetsing P. Albendazole treatment for Giardia intestinalis infections in school children. Southeast Asian J Trop Med Public Health. 1999 Mar;30(1):78-83.
Sabchareon A, Lang J, Attanath P, Sirivichayakul C, Pengsaa K, Le Mener V, Chanthavanich P, Prarinyanuphab V, Pojjaroen-Anant C, Nimnual S, Wood SC, Riffard P. A new Vero cell rabies vaccine: results of a comparative trial with human diploid cell rabies vaccine in children. Clin Infect Dis. 1999 Jul:29(1):141-9.
Sirivichayakul C, Thisyakorn U. Severe shigellosis in childhood. Southeast Asian J Trop Med Public Health 1998;29:555-9.
Radomyos P, Sirivichayakul C, Waikagul J, Krudsood S, Takeuchi T, Kojima S, Looareesuwan S. Atlas of Medical Parasitology. 1st ed. Bangkok : Parbpim, 2004.