Link to Pubmed [PMID] – 24558121
J. Infect. Dis. 2014 Aug;210(3):424-34
The elicitation of T-helper type 1 (Th1) cellular immunity to eradicate intracellular pathogens is a challenging task because of the interleukin 12 (IL-12) deficit observed in early infancy.
http://www.ncbi.nlm.nih.gov/pubmed/24558121