CD33 and respiratory tract infectious disorder: The identified PPVs are associated with the development of coronary heart disease (ACE, THBD, LDLR, etc.), ischemic stroke (F5, GP1BA), Alzheimer's (APOE, CD33, TREM2, SORL1), neonatal conditions(SFTPA1, SFTPA2, SFTPB, SFTPD), lung cancer (SEMA3B, WNT5B, RECK), respiratory infection (ADAM33, CCL1, CXCL1, MUC1), diabetes mellitus (INS, EGFL8, KIR3DL1), diarrheal diseases (LTF, UGT1A7, UGT1A8, UGT1A9, UGT2B7), and kidney disease (ACE, AGT, PXDN, COLEC11).