Table 3.

Characteristics of Zika serum samples obtained from travelers who returned to Austria from Zika-endemic regions, 2016–2017, as determined by routine diagnosis.

Sample	Zika IgM	DEN IgM 1	Zika NT	TBE NT	YF NT	Infection Site
Z1	pos	neg	pos	pos	neg	Brazil
Z2	pos	neg	pos	pos	neg	Columbia
Z3	pos	neg	pos	pos	pos	Columbia
Z4	pos	neg	pos	neg	neg	Brazil
Z5	pos	neg	pos	pos	neg	Columbia
Z6	pos	neg	pos	pos	pos	Venezuela
Z7	pos	neg	pos	pos	neg	Dominican Republic
Z8	pos	neg	pos	pos	neg	Dominican Republic
Z9	pos	neg	pos	pos	neg	Dominican Republic
Z10	pos	neg	pos	pos	neg	Mexico
Z11	pos	neg	pos	pos	n.a.	Tobago
Z12	pos	neg	pos	pos	neg	Mexico
Z13	pos	neg	pos	pos	neg	Nicaragua
Z14	pos	neg	pos	pos	neg	Barbados
Z15	pos	neg	pos	pos	neg	Netherlands Antilles
Z16	pos	neg	pos	pos	pos	Netherlands Antilles
Z17	pos	neg	pos	pos	neg	Cuba
Z18	pos	neg	pos	pos	pos	Cuba
Z19	pos	neg	pos	pos	pos	Columbia
Z20	pos	neg	pos	pos	neg	Vietnam

¹ Dengue (DEN) virus-specific IgM were detected with commercial kits as described in Materials and Methods.