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Malaria in travelers: a review of the GeoSentinel surveillance network.
Clin Infect Dis. 2004 Oct 15; 39(8):1104-12.CI

Abstract

BACKGROUND

Malaria is a common and important infection in travelers.

METHODS

We have examined data reported to the GeoSentinel surveillance network to highlight characteristics of malaria in travelers.

RESULTS

A total of 1140 malaria cases were reported (60% of cases were due to Plasmodium falciparum, 24% were due to Plasmodium vivax). Male subjects constituted 69% of the study population. The median duration of travel was 34 days; however, 37% of subjects had a travel duration of < or =4 weeks. The majority of travellers did not have a pretravel encounter with a health care provider. Most cases occurred in travelers (39%) or immigrants/refugees (38%). The most common reasons for travel were to visit friends/relatives (35%) or for tourism (26%). Three-quarters of infections were acquired in sub-Saharan Africa. Severe and/or complicated malaria occurred in 33 cases, with 3 deaths. Compared with others in the GeoSentinel database, patients with malaria had traveled to sub-Saharan Africa more often, were more commonly visiting friends/relatives, had traveled for longer periods, presented sooner after return, were more likely to have a fever at presentation, and were less likely to have had a pretravel encounter. In contrast to immigrants and visitors of friends or relatives, a higher proportion (73%) of the missionary/volunteer group who developed malaria had a pretravel encounter with a health care provider. Travel to sub-Saharan Africa and Oceania was associated with the greatest relative risk of acquiring malaria.

CONCLUSIONS

We have used a global database to identify patient and travel characteristics associated with malaria acquisition and characterized differences in patient type, destinations visited, travel duration, and malaria species acquired.

Authors+Show Affiliations

Victorian Infectious Diseases Service, Royal Melbourne Hospital, Parkville, Victoria, Australia. karin.leder@med.monash.edu.auNo 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
Research Support, N.I.H., Extramural
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

15486832

Citation

Leder, Karin, et al. "Malaria in Travelers: a Review of the GeoSentinel Surveillance Network." Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America, vol. 39, no. 8, 2004, pp. 1104-12.
Leder K, Black J, O'Brien D, et al. Malaria in travelers: a review of the GeoSentinel surveillance network. Clin Infect Dis. 2004;39(8):1104-12.
Leder, K., Black, J., O'Brien, D., Greenwood, Z., Kain, K. C., Schwartz, E., Brown, G., & Torresi, J. (2004). Malaria in travelers: a review of the GeoSentinel surveillance network. Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America, 39(8), 1104-12.
Leder K, et al. Malaria in Travelers: a Review of the GeoSentinel Surveillance Network. Clin Infect Dis. 2004 Oct 15;39(8):1104-12. PubMed PMID: 15486832.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Malaria in travelers: a review of the GeoSentinel surveillance network. AU - Leder,Karin, AU - Black,Jim, AU - O'Brien,Dan, AU - Greenwood,Zoe, AU - Kain,Kevin C, AU - Schwartz,Eli, AU - Brown,Graham, AU - Torresi,Joseph, Y1 - 2004/09/27/ PY - 2004/01/29/received PY - 2004/03/07/accepted PY - 2004/10/16/pubmed PY - 2006/6/2/medline PY - 2004/10/16/entrez SP - 1104 EP - 12 JF - Clinical infectious diseases : an official publication of the Infectious Diseases Society of America JO - Clin. Infect. Dis. VL - 39 IS - 8 N2 - BACKGROUND: Malaria is a common and important infection in travelers. METHODS: We have examined data reported to the GeoSentinel surveillance network to highlight characteristics of malaria in travelers. RESULTS: A total of 1140 malaria cases were reported (60% of cases were due to Plasmodium falciparum, 24% were due to Plasmodium vivax). Male subjects constituted 69% of the study population. The median duration of travel was 34 days; however, 37% of subjects had a travel duration of < or =4 weeks. The majority of travellers did not have a pretravel encounter with a health care provider. Most cases occurred in travelers (39%) or immigrants/refugees (38%). The most common reasons for travel were to visit friends/relatives (35%) or for tourism (26%). Three-quarters of infections were acquired in sub-Saharan Africa. Severe and/or complicated malaria occurred in 33 cases, with 3 deaths. Compared with others in the GeoSentinel database, patients with malaria had traveled to sub-Saharan Africa more often, were more commonly visiting friends/relatives, had traveled for longer periods, presented sooner after return, were more likely to have a fever at presentation, and were less likely to have had a pretravel encounter. In contrast to immigrants and visitors of friends or relatives, a higher proportion (73%) of the missionary/volunteer group who developed malaria had a pretravel encounter with a health care provider. Travel to sub-Saharan Africa and Oceania was associated with the greatest relative risk of acquiring malaria. CONCLUSIONS: We have used a global database to identify patient and travel characteristics associated with malaria acquisition and characterized differences in patient type, destinations visited, travel duration, and malaria species acquired. SN - 1537-6591 UR - https://www.unboundmedicine.com/medline/citation/15486832/Malaria_in_travelers:_a_review_of_the_GeoSentinel_surveillance_network_ L2 - https://academic.oup.com/cid/article-lookup/doi/10.1086/424510 DB - PRIME DP - Unbound Medicine ER -