Figure 4. IHC staining of a section of lymph node from an HIV infected patient for cells actively infected with HHV-6A.

 Panel A: Low magnification view showing a large area of active lymphocyte depletion in the upper right side of the tissue section.  Arrowheads indicate the intact periphery of a follicle undergoing follicular lysis (upper right of follicle). 

Panel B: Higher magnification view of the area of follicular lysis shown in panel A.  Some of the cells actively infected with HHV-6A are indicated by arrowheads. 

© 2001, 2002 Institute for Viral Pathogenesis. All rights reserved.