Hector Galeno*, Judith Mora*, Eliecer Villagra*, Jorge Fernandez*, Jury Hernandez†, Gregory J. Mertz‡, and Eugenio Ramirez*
Figure 1. Immunofluorescence assay (IFA) of Vero E6 cells infected with Chilean hantavirus CHI-7913 isolate. A, IFA with seropositive human sera from a Chilean HPS patient; arrow shows infected Vero E6 cells expressing hantavirus antigens. B, IFA with seronegative human sera from uninfected control; arrow shows the negative IFA of Vero E6 cells infected with the CHI-7913 isolate.