Lack of Evidence for Schmallenberg Virus Infection in Highly Exposed Persons, Germany, 2012
Tanja Ducomble1, Hendrik Wilking1 , Klaus Stark, Anja Takla, Mona Askar, Lars Schaade, Andreas Nitsche, and Andreas Kurth
Author affiliations: Robert Koch Institute, Berlin, Germany (T. Ducomble, H. Wilking, K. Stark, A. Takla, M. Askar, L. Schaade, A. Nitsche, A. Kurth); European Program for Intervention Epidemiology Training, Stockholm, Sweden (T. Ducomble); and Postgraduate Training for Applied Epidemiology–German Field Epidemiology Training Program, Berlin (A. Takla, M. Askar)
Figure. . Fluorescent light microscopy images of serum samples tested for antibodies to Schmallenberg virus by indirect fluorescent antibody test on infected Vero cells mixed with noninfected Vero cells. A) Nonreactive negative serum; B) positive serum reactive with infected cells only (green); C) indeterminate serum with faint nonspecific reactivity. Colors have been enhanced to show detail.
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