Thai Travel Clinic

Hospital for Tropical Diseases
Faculty of Tropical Medicine, Mahidol University

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Selected Publications and Presentations


Publications in International peer-reviewed journal



1. Matsee W, Lakanavisid P, Imad HA, Piyaphanee W. Souvenir from a tropical beach?: A diagnostic challenge. Travel Med Infect Dis. 2021 Mar-Apr;40:101990. doi: 10.1016/j.tmaid.2021.101990. Epub 2021 Feb 14. PMID: 33596464.

2. Imad HA, Phadungsombat J, Nakayama EE, Chatapat L, Pisutsan P, Matsee W, Piyaphanee W, Nguitragool W, Shioda T. A Cluster of Dengue Cases in Travelers: A Clinical Series from Thailand. Trop Med Infect Dis. 2021 Aug 14;6(3):152. doi: 10.3390/tropicalmed6030152. PMID: 34449752; PMCID: PMC8396219.

3. Imad HA, Matsee W, Kludkleeb S, Asawapaithulsert P, Phadungsombat J, Nakayama EE, Suzuki K, Leaungwutiwong P, Piyaphanee W, Phumratanaprapin W, Shioda T. Post-Chikungunya Virus Infection Musculoskeletal Disorders: Syndromic Sequelae after an Outbreak. Trop Med Infect Dis. 2021 Apr 15;6(2):52. doi:10.3390/tropicalmed6020052. PMID: 33921055; PMCID: PMC8167736.

4. Matsee W, Pisutsan P, Piyaphanee W. Pretravel consultation on COVID-19 testing before international travel: lessons learnt from the Thai Travel Clinic, Bangkok, Thailand. Trop Dis Travel Med Vaccines. 2021 May 29;7(1):13. doi:

10.1186/s40794-021-00139-1. PMID: 34051874; PMCID: PMC8164480.

5. Asawapaithulsert P, Pisutsan P, Matsee W. Coincidence of fever following COVID-19 vaccine and endemic tropical diseases: a challenge to clinicians during the global rollout of COVID-19 vaccination. J Travel Med. 2021 Aug 27;28(6):taab109. doi: 10.1093/jtm/taab109. PMID: 34272852; PMCID: PMC8344439.

6. Imad HA, Phadungsombat J, Nakayama EE, Kludkleeb S, Matsee W, Ponam T, Suzuki K, Leaungwutiwong P, Piyaphanee W, Phumratanaprapin W, Shioda T. Chikungunya Manifestations and Viremia in Patients Who Presented to the Fever Clinic at Bangkok Hospital for Tropical Diseases during the 2019 Outbreak in Thailand. Trop Med Infect Dis. 2021 Jan 21;6(1):12. doi: 10.3390/tropicalmed6010012. PMID: 33494514; PMCID: PMC7924391.



1. Muehlenbein MP, Angelo KM, Schlagenhauf P, Chen L, Grobusch MP, Gautret P, Duvignaud A, Chappuis F, Kain KC, Bottieau E, Epelboin L, Shaw M, Hynes N, Hamer DH; GeoSentinel Surveillance Network. Traveller exposures to animals: a GeoSentinel analysis. J Travel Med. 2020 Nov 9;27(7):taaa010. doi:10.1093/jtm/taaa010. PMID: 31993666; PMCID: PMC7384971.

2. Matsee W, Piyaphanee W. Lessons learned from a rubella outbreak: role of a travel medicine practitioner. J Travel Med. 2020 Nov 9;27(7):taaa190. doi:10.1093/jtm/taaa190. PMID: 33043371.

3. Nunthavichitra S, Prapaso S, Luvira V, Muangnoicharoen S, Leaungwutiwong P, Piyaphanee W. Case Report: COVID-19 Presenting as Acute Undifferentiated Febrile Illness-A Tropical World Threat. Am J Trop Med Hyg. 2020 Jul;103(1):83-85. doi: 10.4269/ajtmh.20-0440. Epub 2020 May 15. PMID: 32419694; PMCID: PMC7356458.

4. Hiranrusme T, Piyaphanee W, Kaewkungwal J, Silachamroon U, Leowattana W, Chatapat L, Matsee W. Risk perception of health problems among travelers visiting a travel clinic in Bangkok, Thailand. Trop Dis Travel Med Vaccines. 2020 May 20;6:7. doi: 10.1186/s40794-020-00108-0. PMID: 32477584; PMCID:PMC7238588.

5. Sharma C, Poovorawan K, Piyaphanee W, Soonthornworasiri N, Angsuwatcharakon P, Phumratanaprapin W, Leowattana W, Wilairatana P. Incidence of Travelers'Diarrhea among Adult Foreign Travelers in Thailand: A Prospective Study. Am J Trop Med Hyg. 2020 May;102(5):1009-1015. doi: 10.4269/ajtmh.19-0672. PMID:32100674; PMCID: PMC7204596.



1. Pisutsan P, Soonthornworasiri N, Matsee W, Phumratanaprapin W, Punrin S, Leowattana W, Mansanguan C, Leshem E, Piyaphanee W. Incidence of health problems in travelers to Southeast Asia: a prospective cohort study. J Travel Med. 2019 Oct 14;26(7):taz045. doi: 10.1093/jtm/taz045. PMID: 31218345.

2. Sapsirisavat V, Piyaphanee W. Up to 79% of travelers with high STIs risk visiting Thailand have casual sex with an average of 10 sex partners. Travel Med Infect Dis. 2019 Jul-Aug;30:121-122. doi: 10.1016/j.tmaid.2019.06.006. Epub 2019 Jun 18. PMID: 31226303.



1. Diptyanusa A, Ngamprasertchai T, Piyaphanee W. A review of antibiotic prophylaxis for traveler's diarrhea: past to present. Trop Dis Travel Med Vaccines. 2018 Nov 7;4:14. doi: 10.1186/s40794-018-0074-4. PMID: 30455974; PMCID: PMC6223076.

2. Olanwijitwong J, Lawpoolsri S, Ponam T, Puengpholpool P, Sharma C, Chatapat L, Pawan V, Kittitrakul C, Piyaphanee W. Incidence and spectrum of health problems among travellers to Myanmar. J Travel Med. 2018 Jan 1;25(1). doi: 10.1093/jtm/tax077. PMID: 29232462.

3. Imad HA, Atsawawaranunt K, Sharma C, Poonam T, Piyaphanee W. Fever, rash, and red eyes in Thailand: A diagnostic challenge. Travel Med Infect Dis. 2018 Jul-Aug;24:15. doi: 10.1016/j.tmaid.2018.05.010. Epub 2018 May 24. PMID: 29803863.

4. Gautret P, Angelo KM, Asgeirsson H, Lalloo DG, Shaw M, Schwartz E, Libman M, Kain KC, Piyaphanee W, Murphy H, Leder K, Vincelette J, Jensenius M, Waggoner J, Leung D, Borwein S, Blumberg L, Schlagenhauf P, Barnett ED, Hamer DH;

GeoSentinel Global Surveillance Network. Rabies post-exposure prophylaxis started during or after travel: A GeoSentinel analysis. PLoS Negl Trop Dis. 2018 Nov 13;12(11):e0006951. doi: 10.1371/journal.pntd.0006951. PMID: 30422981; PMCID: PMC6258561.

5. Matsee W, Chatapat L, Chotivanich K, Piyaphanee W. Case Report: A Cluster of Plasmodium falciparum Malaria Cases among Thai Workers in Gembu, Nigeria. Am J Trop Med Hyg. 2018 Sep;99(3):623-626. doi: 10.4269/ajtmh.18-0367. Epub 2018 Jul 12. PMID: 30014824; PMCID: PMC6169181.



1. Imad HA, Tanyaratsrisakul S, Piyaphanee W, Wattanagoon Y. Skin lesion from Maldives: Classic but forgotten. Travel Med Infect Dis. 2017 May-Jun;17:74-75. doi: 10.1016/j.tmaid.2017.04.001. Epub 2017 Apr 8. PMID: 28400240.

2. Olanwijitwong J, Piyaphanee W, Poovorawan K, Lawpoolsri S, Chanthavanich P, Wichainprasast P, Tantawichien T. Health problems among Thai tourists returning from India. J Travel Med. 2017 Jul 1;24(4). doi: 10.1093/jtm/tax013. PMID: 28426113.

3. Leder K, Borwein S, Chanthavanich P, Chatterjee S, Htun K, Marma ASP, Nakatani I, Ok JJ, Pakasi L, Pandey P, Piyaphanee W, Rupali P, Schwartz E, Shinozuka T, Phu PTH, Watanabe H, Visser J, Wilder-Smith A, Zhang M, McGuinness SL. Travel medicine perspectives of select travel medicine experts practicing in the Asia-Pacific region. J Travel Med. 2017 Jul 1;24(4). doi:10.1093/jtm/tax012. PMID: 28426112.

4. Sharma C, Piyaphanee W, Watthanakulpanich D. Case Report: Clinical Features of Intermittent Migratory Swelling Caused by Gnathostomiasis with Complete Follow-up. Am J Trop Med Hyg. 2017 Nov;97(5):1611-1615. doi: 10.4269/ajtmh.17-0239. Epub 2017 Aug 18. PMID: 28820693; PMCID: PMC5817763.



1. Poovorawan K, Soonthornworasiri N, Sa-Angchai P, Mansanguan C, Piyaphanee W. Hepatitis B vaccination for international travelers to Asia. Trop Dis Travel Med Vaccines. 2016 Aug 17;2:14. doi: 10.1186/s40794-016-0031-z. PMID: 28883958; PMCID: PMC5530950.

2. Piyaphanee W, Chanthavanich P. Residency training in travel medicine-a 3-year journey to become a specialist. J Travel Med. 2016 Jun 13;23(5). doi:10.1093/jtm/taw041. PMID: 27296585.

3. Mansanguan C, Matsee W, Petchprapakorn P, Kuhakasemsin N, Chinnarat N, Olanwijitwong J, Piyaphanee W. Health problems and health care seeking behavior among adult backpackers while traveling in Thailand. Trop Dis Travel Med Vaccines. 2016 Jun 22;2:9. doi: 10.1186/s40794-016-0026-9. PMID: 28883953; PMCID: PMC5530955.



1. Choovichian V, Chatapat L, Piyaphanee W. A Bubble Turtle: Bullous Contact Dermatitis After a Black Henna Tattoo in a Backpacker in Thailand. J Travel Med 2015; 22(4): 287-8.

2. Kittitrakul C, Lawpoolsri S, Kusolsuk T, Olanwichitwong J, Tangkanakul W, Piyaphanee W. Travelers' Diarrhea in Foreign Travelers in Southeast Asia: A Cross-Sectional Study in Bangkok, Thailand. Am J Trop Med Hyg 2015; 93(3): 485-90.

3. Gautret P, Harvey K, Pandey P, Lim PL, Leder K, Piyaphanee W, Shaw M, McDonald SC, Schwartz E, Esposito DH, Parola G; Geosentinel Surveillance Network. Animal-associated exposure to rabies virus among travelers. 1997-2012. Emerg Infect Dis 2015; 21(4): 569-77.

4. Kashino W, Piyaphanee W, Kittitrakul C, Tangpukdee N, Sibunruang S, Lawpoolsri S, Yamashita H, Muangnoicharoen S, Silachamroon U, Tantawichian T. Incidence of potential rabbies exposure among Japanese expatriates and travelers in Thailand. J Travel Med 2014; 21(3): 163-68.

5. Piyaphanee, W, Kittitrakul C, Lawpoolsri, Tangkanakul W, Sa-Ngiamsak N, Nasok P, Wongchai S, Ponam T, Wichianprasat P, Phumratanaprapin W. Incidence and spectrum of health problems among travelers to Laos. J Travel Med 2014; 21(3): 163-8.



1. Kaehler N, Piyaphanee W, Kittitrakul C, Kyi YP, Adhkari B, Sibunruang S, Jearraksuwan S, Tangpukdee N, Silachamroon U, Tantawichian T. Sexual behavior of foreign backpackers in the Khao San Road area, Bangkok. Southeast Asian J Trop Med Public Health 2013; 44(4): 690-6.

2. Piyaphanee W, Olanwijitwong J, Kusolsuk T, Silachamroon U. Awareness, practices, and health problems of backpackers traveling during flooding in Thailand during 2011. Southeast Asian J Trop Med Public Health 2012; 43(5):1193-1200.

3. Piyaphanee W, Kittitrakul C, Lawpoolsri S, Gautret P, Kashino W, Tangkanakul W, Charoenpong P, Ponam T, Sibunruang S, Phumratanaprapin W, Tantawichien T. Risk of potentially rabid animal exposure among foreign travelers in Southeast Asia. PLoS Negl Trop Dis. 2012 Sep;6(9):e1852. doi: 10.1371/journal.pntd.0001852. Epub 2012 Sep 27.

4. Piyaphanee W, Steffen R, Shlim D, Gherardin T, Chatterjee S. Travel Medicine for Asian Travelers—Do We Need New Approaches?. J Travel Med 2012;19(6):335-7.



1. Gautret P, Tantawichien T, Vu Hai V, Piyaphanee W. Determinants of pre-exposure rabies vaccination among foreign backpackers in Bangkok, Thailand. Vaccine. 2011 May 23;29(23):3931-4. Epub 2011 Apr 13.

2. Piyaphanee W, Kusolsuk T, Kittitrakul C, Sutthithum W, Ponam T and Wilairatana P. Incidence and Impact of Travelers' Diarrhea Among Foreign Backpackers in Southeast Asia: A Result From Khao San Road, Bangkok. J Travel Med 2011;18(2): 109-14.

3. Piyaphanee W, Shantavasinkul P, Phumratanaprapin W, Udomchaisakul P, Wichianprasat P, Benjavongkulchai M, Ponam T, Tantawichian T. Rabies exposure risk among foreign backpackers in Southeast Asia. Am J Trop Med Hyg. 2010 Jun;82(6):1168-71.


1. Piyaphanee W, Wattanagoon Y, Silachamroon U, Meansanguan C, Wichianprasat P, Walker E. Knowledge, Attitudes and Practices among foreign backpackers towards malaria risk in Southeast Asia. J Travel Med. 2009 Mar-Apr;16(2):101-6.

2. Chen LH, Wilson ME, Davis X, Loutan L, Schwartz E, Keystone J, Hale D, Lim PL, McCarthy A, Gkrania-Klotsas E, Schlagenhauf P; GeoSentinel Surveillance Network. Collaborators (65).  Illness in long-term travelers visiting GeoSentinel clinics. Emerg Infect Dis. 2009 Nov;15(11):1773-82.

3. Teparrakkul P, Tsai JJ, Chierakul W, Gerstenmaier JF, Wacharaprechasgu T,Piyaphanee W, Limmathurotsakul D, Chaowagul W, Day NP, Peacock SJ. Rheumatological manifestation in patients with melioidosis. Southeast Asian J Trop Med Public Health 2008;39(4):649-55.

4. Piyaphanee W, Issarachaikul R, Soontarach P, Silachamroon U. Concurrent Salmonella bacteremia in P.vivax infection – 2 cases report in hospital for tropical diseases, Thailand. Southeast Asian J Trop Med Public Health 2007;38(4):616-8.

5. Piyaphanee W, Krudsood S, Silachamroon U, Pornpininiworakij K, Danwiwatdecha W, Chamnachanan S, Wilairatana P, Looareesuwan S. Travelers’ malaria at the hospital for tropical diseases, Bangkok, Thailand. A 6 Year review (2000-2005). Korean J Parasitol 2006;44(3):229-32.

6. Piyaphanee W, Krudsood S, Tangpukdee N, Thanachartwet W, Silachamroon U, Phophak N, Duangdee C, Haoharn O, Faithong S, Wilairatana P, Leowattana W, Looareesuwan S. Emergence and clearance of gametocytes in uncomplicated falciparum malaria. Am J Trop Med Hyg 2006;74(3):432-5.


Research Presented at International Conferences


1. Travel Medicine in the COVID-19 Era: Lessons learnded from Thai Travel Clinic. Virtually presented at Conference of the International Society of Travel Medicine (CISTM17), 19-22 April 2021


2. A Life-threatening Spontaneous Intraperitoneal Hemorrhage in Dengue. Virtually presented at Conference of the International Society of Travel Medicine (CISTM17), 19-22 April 2021


3. Rubella outbreak in Japan 2018: A clinician perspective at Thai Travel Clinic, Hospital for Tropical Diseases, Bangkok, Thailand. Poster presentation. Presented at 16th Conference of the International Society of Travel Medicine (CISTM16), 5-9 June 2019, Washington DC, USA


4. Pre-visit e-mail consultation: How to transform burden to travel medicine educational tool. Poster presentation. Presented at 16th Conference of the International Society of Travel Medicine (CISTM16), 5-9 June 2019, Washington DC, USA


5. Internet trends after Official Rubella Travel Warning in Three Countries. Poster presentation. Presented at 16th Conference of the International Society of Travel Medicine (CISTM16), 5-9 June 2019, Washington DC, USA


6. Health Problems among Thai tourists Returning from India. Poster presentation. Presented at 11th Conference of the International Society of Travel Medicine (CISTM14), 24-28 June, 2015, Quebec City, Canada.


7. Risk of Possible Exposure to Rabies among travelers from developed countries in Southeast Asia. Oral presentation at 12th Conference of the International Society of Travel Medicine (CISTM12), 8-12 May 2011, Boston, MA, USA.


8. Skin Reaction from Ipomea pes-caprae (Pakbung-Tale) ointment in healthy volunteer. Poster Presentation. Presented at Joint International Conference of Tropical Medicine (JITMM), 1-3 December 2010, Bangkok, Thailand.


9. Incidence and impact of travelers' diarrhea among foreign backpackers in Southeast Asia. Poster Presentation. Presented at the 14th International Congress on Infectious Diseases (14th ICID), 9-12 March 2010, Miami, Florida, USA.


10. Rabies Exposure Risk Among Foreign Backpackers in Southeast Asia. Poster presentation. Presented at 11th Conference of the International Society of Travel Medicine (CISTM11), 24-28 May, 2009, Budapest, Hungary.


Update 7 October 2021