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Post-travel screening of asymptomatic long-term travelers to the tropics for intestinal parasites using molecular diagnostics.
Am J Trop Med Hyg 2014; 90(5):835-9AJ

Abstract

The incidence of asymptomatic travel-related parasitic infection is uncertain. Previous studies did not distinguish new incident infections, from past infections. Regardless of symptoms, we performed multiplex real-time polymerase chain reaction on pre- and post-travel stool samples of Dutch long-term travelers to the (sub)tropics. Serological screening for Schistosoma spp. was only performed in travelers to sub-Saharan Africa. In total, 679 travelers were included in the study. The follow-up rate was 82% (556 of 679). Participants' median travel duration was 12 weeks. There was one incident infection with Strongyloides stercoralis; there were none with Entamoeba histolytica, 4 with Cryptosporidium spp. (1%), and 22 with Giardia lamblia (4%). Nine of 146 travelers (6%) seroconverted for Schistosoma spp. Routine screening of stool samples for parasitic infection is not indicated for asymptomatic people, who travel to the (sub)tropics for up to 3 months. Screening for Schistosoma spp. should be offered to travelers with fresh-water contact in endemic regions.

Authors+Show Affiliations

Department of Infectious and Tropical Diseases, Leiden University Medical Center, Leiden, The Netherlands; Department of Parasitology, Leiden University Medical Center, Leiden, The Netherlands; Department of Medical Microbiology, Leiden University Medical Center, Leiden, The Netherlands; Student Health Department, Wageningen University, Wageningen, The Netherlands.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

24615130

Citation

Soonawala, Darius, et al. "Post-travel Screening of Asymptomatic Long-term Travelers to the Tropics for Intestinal Parasites Using Molecular Diagnostics." The American Journal of Tropical Medicine and Hygiene, vol. 90, no. 5, 2014, pp. 835-9.
Soonawala D, van Lieshout L, den Boer MA, et al. Post-travel screening of asymptomatic long-term travelers to the tropics for intestinal parasites using molecular diagnostics. Am J Trop Med Hyg. 2014;90(5):835-9.
Soonawala, D., van Lieshout, L., den Boer, M. A., Claas, E. C., Verweij, J. J., Godkewitsch, A., ... Visser, L. G. (2014). Post-travel screening of asymptomatic long-term travelers to the tropics for intestinal parasites using molecular diagnostics. The American Journal of Tropical Medicine and Hygiene, 90(5), pp. 835-9. doi:10.4269/ajtmh.13-0594.
Soonawala D, et al. Post-travel Screening of Asymptomatic Long-term Travelers to the Tropics for Intestinal Parasites Using Molecular Diagnostics. Am J Trop Med Hyg. 2014;90(5):835-9. PubMed PMID: 24615130.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Post-travel screening of asymptomatic long-term travelers to the tropics for intestinal parasites using molecular diagnostics. AU - Soonawala,Darius, AU - van Lieshout,Lisette, AU - den Boer,Marion A M, AU - Claas,Eric C J, AU - Verweij,Jaco J, AU - Godkewitsch,André, AU - Ratering,Marchel, AU - Visser,Leo G, Y1 - 2014/03/10/ PY - 2014/3/12/entrez PY - 2014/3/13/pubmed PY - 2014/6/24/medline SP - 835 EP - 9 JF - The American journal of tropical medicine and hygiene JO - Am. J. Trop. Med. Hyg. VL - 90 IS - 5 N2 - The incidence of asymptomatic travel-related parasitic infection is uncertain. Previous studies did not distinguish new incident infections, from past infections. Regardless of symptoms, we performed multiplex real-time polymerase chain reaction on pre- and post-travel stool samples of Dutch long-term travelers to the (sub)tropics. Serological screening for Schistosoma spp. was only performed in travelers to sub-Saharan Africa. In total, 679 travelers were included in the study. The follow-up rate was 82% (556 of 679). Participants' median travel duration was 12 weeks. There was one incident infection with Strongyloides stercoralis; there were none with Entamoeba histolytica, 4 with Cryptosporidium spp. (1%), and 22 with Giardia lamblia (4%). Nine of 146 travelers (6%) seroconverted for Schistosoma spp. Routine screening of stool samples for parasitic infection is not indicated for asymptomatic people, who travel to the (sub)tropics for up to 3 months. Screening for Schistosoma spp. should be offered to travelers with fresh-water contact in endemic regions. SN - 1476-1645 UR - https://www.unboundmedicine.com/medline/citation/24615130/full_citation L2 - http://www.ajtmh.org/content/journals/10.4269/ajtmh.13-0594?crawler=true&mimetype=application/pdf DB - PRIME DP - Unbound Medicine ER -