Asthma Exacerbation Caused by Bacterial Infection in Two Elderly Patients

Mutsuo Yamaya^1*, Hitomi Yoshigoe², Koji Murakami³, Shoichi Nakayama² and Masakazu Ichinose³

¹Department of Advanced Preventive Medicine for Infectious Disease, Tohoku University Graduate School of Medicine, Japan

²Department of Internal Medicine, Kurihara Central Hospital, Kurihara, Japan

³Department of Respiratory Medicine, Tohoku University Graduate School of Medicine, Japan

^*Corresponding Author: Mutsuo Yamaya, Professor and Chairman, Department of Advanced Preventive Medicine for Infectious Disease, Tohoku University Graduate School of Medicine, Tohoku University, Sendai, 980-8575, Japan, Tel: 81-22-717-7184, Fax: 81-22-717-7576 Email: