TY - GEN AU - Srinivasan,Arjun AU - Perl,Trish M TI - Respiratory protection against influenza SN - 1538-3598 PY - 2009///1113 KW - Cross Infection KW - prevention & control KW - Humans KW - Infectious Disease Transmission, Patient-to-Professional KW - Influenza, Human KW - Masks KW - Nurses KW - Occupational Diseases KW - Respiratory Protective Devices N1 - Publication Type: Comment; Editorial UR - https://doi.org/10.1001/jama.2009.1494 ER -