CD274 and hepatitis B virus infection: Moreover, some other pathways such as Kaposi sarcoma-associated herpesvirus infection, hepatitis B, human cytomegalovirus infection, AGE-RAGE signaling pathway in diabetic complications, human T-cell leukemia virus 1 infection, endocrine resistance, tuberculosis, Chagas disease (American trypanosomiasis), EGFR tyrosine kinase inhibitor resistance, PD-L1 expression, and PD-1 checkpoint pathway in cancer were identified.