Mixed viral and bacterial infections.
D000818:Animals; D004696:Endocarditis / Q000209:etiology; D006801:Humans; D007239:Infections / Q000150:complications*; D009205:Myocarditis / Q000209:etiology; D009393:Nephritis / Q000209:etiology; D010493:Pericarditis / Q000209:etiology; D012141:Respiratory Tract Infections / Q000209:etiology; D014777:Virus Diseases / Q000150:complications*