Links to past Humans & Viruses webpages:
J. Maldonado & M. Dayal (1998) | T. Chang (1999) | P. Kwon & J. Lee (2000) J. Churchill (2002) | S. Tan & A. Silvis (2004)
Hepatitis B picture from <www.research.amnh.org/exhibitions/ epidemic/hepb.html>
