%0 Case Reports %T A Case of Vascular Graft Infection Caused by Haemophilus parainfluenzae. %A Okuhama A %A Murai Y %A Ishikane M %A Mezaki K %A Isaka E %A Matsushiro T %A Yamada G %A Nomoto H %A Yamamoto K %A Morioka S %A Ohmagari N %A Horai T %J Open Forum Infect Dis %V 9 %N 7 %D Jul 2022 %M 35794934 %F 4.423 %R 10.1093/ofid/ofac187 %X Haemophilus parainfluenzae is a gram-negative coccobacillus that is a part of the normal flora in the human upper airway and sometimes causes infective endocarditis. We present a case of a 68-year-old Japanese man who had vascular graft infection caused by H. parainfluenzae 4 years after surgery for chronic aortic dissection.