Definition: In this task, you're given a paragraph from the research paper and your task is to generate a suitable title for the research paper based on the given paper. Under 100 words is a good title length.
Input: Interleukin!01 activates natural killer cells and promotes the differentiation of Th0 CD3¦ cells^it is a critical factor in viral immunity[ IL!01 is secreted by antigen presenting cells including dendritic cells\ macrophages and astrocytes\ both in tissues and in secondary lymphoid organs[ Experimental studies have shown that administration of the cytokine rapidly activates both innate and speci_c immune responses^this results in enhanced host cellular responses and generally\ promotes clearance of virus and host recovery from infection[ The observations of many laboratories\ studying viral immunity to both RNA and DNA based pathogens\ are summarized[ Þ 0887 Elsevier Science Ltd[ All rights reserved[ Key words] Interleukin!01 = viral infection = signal transduction = innate immunity = acquired immunity[

IL-12 and Viral Infections