CpG oligodeoxynucleotides act as adjuvants that switch on T helper 1 (Th1) immunity.
Chu RS, Targoni OS, Krieg AM, Lehmann PV, Harding CV. CpG oligodeoxynucleotides act as adjuvants that switch on T helper 1 (Th1) immunity. J Exp Med. 1997 Nov 17; 186(10):1623-31.