Influenza immunization for all health care personnel: Keep it mandatory

Carrie L. Byington, Yvonne A. Maldonado, Elizabeth D. Barnett, H. Dele Davies, Kathryn M. Edwards, Ruth Lynfield, Flor M. Munoz, Dawn L. Nolt, Ann Christine Nyquist, Mobeen H. Rathore, Mark H. Sawyer, William J. Steinbach, Tina Q. Tan, Theoklis E. Zaoutis