This article has now been updated. Please use the final version.
Special Issue of the contents of the symposium organized at 54th Annual meeting for the Japanese Society of Tropical Medicine on October 4–5, 2013 in Nagasaki, Japan.
Editor for the special issue of Tropical Medicine and Health President of the 54th meeting for the JSTM Professor of Immunogenetics, Institute of Tropical Medicine (NEKKEN), Nagasaki University