呼吸道受流感病毒感染甚为常见,而在冬季尤为普遍,通常流感是一良性经过,有时可并发有细菌性肺炎、心肌炎和心包炎。老年患者最易并发这些并发症且特别危险,本组病例为采用接种灭活的三价流感病毒抗原,其组成系根据每年发生新的流感病毒血 The respiratory tract is very common with influenza viruses and is particularly prevalent in winter, with the flu usually being benign, sometimes with bacterial pneumonia, myocarditis and pericarditis. Elderly patients are most likely to complicated with these complications and particularly dangerous, this group of patients with vaccinated inactivated trivalent influenza virus antigen, its composition is based on the annual occurrence of new influenza virus