disease or disorder infectious disease A disorder resulting from the presence and activity of a microbial, viral, or parasitic agent. It can be transmitted by direct or indirect contact. DOID:0050117 EFO:0005741 ICD10:A00.B99 ICD9:079.0 ICD9:136.8 ICD9:136.9 ID IDO:0000436 MESH:D003141 MONDO:0005550 NCIT:C26726 Replaces 'infection' in disease hierarchy. OBI imported term infection is moved to pathologic process. This class is a container class for infectious diseases, not the process of infection itself. SCTID:40733004 clinical infection communicable disease disease by infectious agent infection infectious infectious disease infectious diseases and manifestations infectious disorder transmissible disease