Supplementary materials are available at The Journal of Infectious Diseases online (http://www.oxfordjournals.org/our_journals/jid/). Supplementary materials consist of data provided by the author that are published to benefit the reader. The posted materials are not copyedited. The contents of all supplementary data are the sole responsibility of the authors. Questions or messages regarding errors should be addressed to the author. Figure 6 . IgA responses to EBV proteins. Plasma specimens from HIV-1-positive KS patients, AIDS-related lymphoma patients, and healthy individuals were incubated on the protein arrays at a 1:1000 dilution (upper panel). Heat map showing responses detected with Cy3-labeled anti-human IgA that were above the 5 SD cutoff (lower panel). Number of antigens recognized by each sample.