TH1 and TH2 cytokines play a prominent role in viral infections and a dysregulation of these cytokines could account for viral persistence and evolution of chronic disease.

• TH1和TH2在病毒感染中起到重要作用，细胞活素的功能失调对病毒的耐药性和慢性疾病的进展起到了促进作用。