Effectiveness of influenza vaccination in the elderly: a population-based case-crossover study

• Ching-Hui Loh,
• Kuan-Chia Lin,
• Chung-Yi Li,
• Kwua-Yun Wang,
• Shinn-Jang Hwang,
• James Yi-Hsin Chan,
• Chun-Yu Liang

Affiliations

Ching-Hui Loh

4 Center for Aging and Health, Buddhist Tzu Chi General Hospital, Hualien, Taiwan

Kuan-Chia Lin

Institute of Hospital and Health Care Administration, National Yang-Ming University, Taipei, Taiwan

Chung-Yi Li

17 Department of Public Health, National Cheng Kung University College of Medicine, Tainan, Taiwan

Kwua-Yun Wang

6 Nursing, National Defense Medical Center, Taipei, Taiwan

Shinn-Jang Hwang

Department of Family Medicine, Taipei Veterans General Hospital, Taipei, Taiwan

James Yi-Hsin Chan

1Division of Family Medicine, Department of Family and Community Medicine, Tri-Service General Hospital, and School of Medicine, National Defense Medical Center, Taipei 114, Taiwan, Republic of China

Chun-Yu Liang

School of Nursing, National Defense Medical Center, Taipei, Taiwan