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Volume 5, Number 6—December 1999


Dengue Seroconversion among Israeli Travelers to Tropical Countries

Israel Potasman*†Comments to Author , Isaac Srugo*†, and Eyal Meltzer‡
Author affiliations: *Bnai Zion Medical Center, Haifa, Israel; †Bruce Rappaport Faculty of Medicine Technion-Israel Institute of Technology, Haifa, Israel; ‡Center for Geographical Medicine, Sheba Medical Center, Tel Hashomer, Israel

Main Article


Dengue serologic results in seroconverting Israeli travelers to tropical countries

Serum number Length of stay (mos.) Season of travel Disease status Results
Age/sex Destination IgM IgG
4 52/F Africa 3 Summer Asymptomatic Negative 40
4aa Negative 640
10 22/F Southeast Asia 6 Spring-summer Symptomatic Negative Negative
10a +/- Pos.b 160
11 21/F Southeast Asia 4 Summer-autumn Symptomatic Negative 40
11a Positive 2,560
12 25/F Southeast Asia 3 Summer-autumn Symptomatic Negative Negative
12a Positive 160
13 26/M Southeast Asia 3 Summer-autumn Symptomatic Negative Negative
13a Positive 640
14 22/M South America 6 Summer-autumn Asymptomatic Negative 160
14a Negative 640
18 21/M Southeast Asia 12 Spring-summer Asymptomatic Negative Negative
18a Positive 160

aa = after-travel sample.
bThis test was marginally positive.

Main Article