What is claimed is:
1. A method for potentiating immunity in a subject, which comprises administering Lactococcus lactis JCM5805 or Lactococuss lactis JCM20101 capable of activating plasmacytoid dendritic cells (pDCs) and inducing IFN production or a cultured or processed product thereof to the subject.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a Divisional of U.S. application Ser. No. 14/263,306, filed Apr. 28, 2014, which is a Continuation of U.S. application Ser. No. 13/977,435, which is the U.S. national phase of PCT/JP2011/080359, filed Dec. 28, 2011, which was published on Jul. 5, 2012, as WO 2012/091081, which claims the...