Oligodeoxynucleotide-based immunostimulatory Toll-Like Receptor 9 (TLR9) agonists are described. Also described are compositions comprising the TLR9 agonists, methods of making the TLR9 agonists, and methods of using the TLR9 agonists to treat immune diseases, disorders or conditions, such as viral infections or cancer.描述一種基於寡去氧核苷酸之免疫刺激Toll樣受體9(TLR9)促效劑。亦描述一種包含TLR9促效劑之組成物、製備TLR9促效劑之方法、及使用TLR9促效劑治療免疫疾病、病症、或病況(諸如病毒感染或癌症)之方法。