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Volume 18, Number 8—August 2012


Vaccination of Health Care Workers to Protect Patients at Increased Risk for Acute Respiratory Disease

Gayle P. DolanComments to Author , Rebecca M. Harris, Mandy Clarkson, Rachel Sokal, Gemma Morgan, Mitsuru Mukaigawara, Hiroshi Horiuchi, Rachel Hale, Laura Stormont, Laura Béchard-Evans, Yi-Sheng Chao, Sergey Eremin, Sara Martins, John S. Tam, Javier Peñalver, Arina Zanuzdana, and Jonathan S. Nguyen-Van-Tam

Author affiliations: University of Nottingham, Nottingham, UK (G.P. Dolan, R. Hale, J.S. Nguyen-Van-Tam); World Health Organization, Geneva, Switzerland (R.C. Harris, M. Mukaigawara, L. Stormont, Laura Béchard-Evans, Y.-S. Chao, S. Eremin, S. Martins, J.S. Tam, J. Peñalver); National Health Service Derbyshire County, Chesterfield, UK (M. Clarkson, R. Sokal); Health Protection Agency South West, Gloucester, UK (G. Morgan); Tokyo Medical Dental University, Tokyo, Japan (H. Horiuchi); and University of Bielefeld, Bielefeld, Germany (A. Zanuzdana)

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Table 2

Risk for bias by using the Downs and Black tool in a review of the vaccination of health care workers to protect patients at risk for acute respiratory disease

Study Type of score (maximum score)*
Reporting (11) External validity (3) Internal validity, bias (7) Internal validity, confounding (6) Total (27)
Ando et al. (30) 5 2 2 1 10
Shugarman et al. (35) 6 0 1 3 10
Kanaoka et al. (29) 5 1 3 1 10
Monto et al. (36) 5 0 2 2 9
Weinstock et al. (32) 4 0 4 1 9
Stevenson et al. (37) 4 1 2 1 8
Munford et al. (34) 2 0 0 1 3

*Maximum score indicates lowest risk of bias for each domain.

Main Article