Yellow Fever Monoclonal Antibodies: Type-Specific and Cross-Reactive Determinants Identified by Immunofluorescence

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  • Division of Vector-Borne Viral Diseases, Center for Infectious Diseases, Centers for Disease Control, Public Health Service, U.S. Department of Health and Human Services, Fort Collins, Colorado 80522
  • | Department of Medicine, Rochester General Hospital, University of Rochester School of Medicine and Dentistry, 1425 Portland Avenue, Rochester, New York 14621

Monoclonal antibodies directed against the envelope glycoprotein and the NV3 non-structural viral protein of yellow fever (YF) were tested by the indirect fluorescent antibody technique against a variety of YF virus strains and heterologous flaviviruses. Monoclonal antibodies directed against the envelope glycoprotein exhibited YF strain-specificity, YF type-specificity, broad group cross-reactivity, or limited subgroup reactivity (YF + Banzi or YF + Koutango + Zika + Usutu + Uganda S). Monoclonal antibodies directed against NV3 reacted either with YF + Koutango or with YF + Banzi. These findings generally correlated with the results of biological tests reported previously. Monoclonal antibodies that were type-specific to YF will be useful for the rapid specific identification of YF virus isolates and are available from the Centers for Disease Control on request.

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