1.Aitken, C, Jeffries, DJ. Nosocomial spread of viral disease. Clin Microbiol Rev 2001;14:528–546.
2.Hong, H-L, Hong, S-B, Ko, G-B, et al. Viral infection is not uncommon in adult patients with severe hospital-acquired pneumonia. PLoS One 2014;9(4):e95865.
3.Horcajada, JP, Pumarola, T, Martínez, JA, et al. A nosocomial outbreak of influenza during a period without influenza epidemic activity. Eur Respir J 2003;21:303–307.
4.Pollara, CP, Piccinelli, G, Rossi, G, et al. Nosocomial outbreak of the pandemic Influenza A (H1N1) 2009 in critical hematologic patients during seasonal influenza 2010–2011: detection of oseltamivir resistant variant viruses. BMC Infect Dis 2013;13:127–133.
5.Thorburn, K, Kerr, S, Taylor, N, van Saene, HKF. RSV outbreak in a paediatric intensive care unit. J Hosp Infect 2004;57:194–201.
6.Langley, JM, LeBlanc, JC, Wang, EE, et al. Nosocomial respiratory syncytial virus infection in Canadian pediatric hospitals: a Pediatric Investigators Collaborative Network on Infections in Canada Study. Pediatrics 1997;100:943–946.
7.Reese, SM, Thompson, M, Price, CS, Young, HL. Evidence of nosocomial transmission of human rhinovirus in a neonatal intensive care unit. Am J Infect Control 2016;44:355–357.
8.James, L, Vernon, MO, Jones, RC, et al. Outbreak of human adenovirus type 3 infection in a pediatric long-term care facility—Illinois, 2005. Clin Infect Dis 2007;45:416–420.
9.Hall, CB. Nosocomial viral respiratory infections: perennial weeds on pediatric wards. Am J Med 1981;70:670–676.
10.Rao, S, Nyquist, A-C. Respiratory viruses and their impact in healthcare. Curr Opin Infect Dis 2014;27:342–347.
11.Eibach, D, Casalegno, J-S, Bouscambert, M, et al. Routes of transmission during a nosocomial influenza A(H3N2) outbreak among geriatric patients and healthcare workers. J Hosp Infect 2014;86:188–193.
12.Kelly, SG, Metzger, K, Bolon, MK, et al. Respiratory syncytial virus outbreak on an adult stem cell transplant unit. Am J Infect Control 2016;44:1022–1026.
14.Huttunen, R, Syrjänen, J. Healthcare workers as vectors of infectious diseases. Eur J Clin Microbiol Infect Dis 2014;33:1477–1488.
16.Esbenshade, JC, Edwards, KM, Esbenshade, AJ, et al. Respiratory virus shedding in a cohort of on-duty healthcare workers undergoing prospective surveillance. Infect Control Hosp Epidemiol 2013;34:373–378.
17.LaVela, S, Goldstein, B, Smith, B, Weaver, FM. Working with symptoms of a respiratory infection: staff who care for high-risk individuals. Am J Infect Control 2007;35:448–454.
18.Mossad, SB, Deshpande, A, Schramm, S, Liu, X, Rothberg, MB. Working despite having influenza-like illness: results of an anonymous survey of healthcare providers who care for transplant recipients. Infect Control Hosp Epidemiol 2017;38:966–969.
20.Whitley, RJ, Boucher, CA, Lina, B, et al. Global assessment of resistance to neuraminidase inhibitors, 2008-2011: the Influenza Resistance Information Study (IRIS). Clin Infect Dis 2013;56:1197–1205.
21.Midi, H, Sarkar, SK, Rana, S. Collinearity diagnostics of binary logistic regression model. J Interdiscip Math 2010;13:253–267.
22.Pan, W. Akaike’s information criterion in generalized estimating equations. Biometrics 2001;57:120–125.
23.Ranganathan, P, Pramesh, CS, Aggarwal, R. Common pitfalls in statistical analysis: logistic regression. Perspect Clin Res 2017;8:148–151.
24.Chiu, S, Black, CL, Yue, X, et al. Working with influenza-like illness: presenteeism among US healthcare personnel during the 2014–2015 influenza season. Am J Infect Control 2017;45:1254–1258.
25.Lau, LLH, Cowling, BJ, Fang, VJ, et al. Viral shedding and clinical illness in naturally acquired influenza virus infections. J Infect Dis 2010;201:1509–1516.
26.Walsh, EE, Peterson, DR, Kalkanoglu, AE, Lee, FE-H, Falsey, AR. Viral shedding and immune responses to respiratory syncytial virus infection in older adults. J Infect Dis 2013;207:1424–1432.
27.Tanksley, AL, Wolfson, RK, Arora, VM. Changing the “working while sick” culture: promoting fitness for duty in health care. JAMA 2016;315:603–604.
28.Public Health Agency of Canada, Centre for Communicable Diseases and Infection Control. Routine Practices and Additional Precautions for Preventing the Transmission of Infection in Healthcare Settings. Ottawa: Public Health Agency of Canada; 2013.
29.Bockerman, P, Laukkanen, E. What makes you work while you are sick? Evidence from a survey of workers. Eur J Public Health 2010;20:43–46.
30.Gimeno, D. Distribution of sickness absence in the European Union countries. Occup Environ Med 2004;61:867–869.
31.Collins, A, Cartwright, S. Why come into work ill? Individual and organizational factors underlying presenteeism. Empl Relat 2012;34:429–442.
32.Bierla, I, Huver, B, Richard, S. Presenteeism at work: the influence of manager. Int J Bus Manag Stud 2011;3:97–107.
33.Szymczak, JE, Smathers, S, Hoegg, C, Klieger, S, Coffin, SE, Sammons, JS. Reasons why physicians and advanced practice clinicians work while sick: a mixed-methods analysis. JAMA Pediatr 2015;169:815–821.
34.Mitchell, R, Ogunremi, T, Astrakianakis, G, et al. Impact of the 2009 influenza A (H1N1) pandemic on Canadian health care workers: a survey on vaccination, illness, absenteeism, and personal protective equipment. Am J Infect Control 2012;40:611–616.