2.Bridges, CB, Kuehnert, MJ, Hall, CB. Transmission of influenza: implications for control in health care settings. Clin Infect Dis 2003;37:1094–1101.
3.Hall, CB. The spread of influenza and other respiratory viruses: complexities and conjectures. Clin Infect Dis 2007;45:353–359.
4.Bischoff, WE, Reid, T, Russell, GB, Peters, TR. Transocular entry of seasonal influenza-attenuated virus aerosols and the efficacy of N95 respirators, surgical masks, and eye protection in humans. J Infect Dis 2011;204:193–199.
6.Midgley, CM, Jackson, MA, Selvarangan, R, et al. Severe respiratory illness associated with enterovirus D68—Missouri and Illinois, 2014. MMWR Morb Mortal Wkly Rep 2014;63:798–799.
7.Sizun, J, Yu, MW, Talbot, PJ. Survival of human coronaviruses 229E and OC43 in suspension and after drying onsurfaces: a possible source of hospital-acquired infections. J Hosp Infect 2000;46:55–60.
8.Bean, B, Moore, BM, Sterner, B, Peterson, LR, Gerding, DN, Balfour, HH Jr.Survival of influenza viruses on environmental surfaces. J Infect Dis 1982;146:47–51.
9.Zaki, AM, van Boheemen, S, Bestebroer, TM, Osterhaus, AD, Fouchier, RA. Isolation of a novel coronavirus from a man with pneumonia in Saudi Arabia. N Engl J Med 2012;367:1814–1820.
10.Geller, C, Varbanov, M, Duval, RE. Human coronaviruses: insights into environmental resistance and its influence on the development of new antiseptic strategies. Viruses 2012;4:3044–3068.
11.van Doremalen, N, Bushmaker, T, Munster, VJ. Stability of Middle East respiratory syndrome coronavirus (MERS-CoV) under different environmental conditions. Euro Surveill 2013;18:20590.
12.Koster, F, Gouveia, K, Zhou, Y, et al. Exhaled aerosol transmission of pandemic and seasonal H1N1 influenza viruses in the ferret. PLoS ONE 2012;7:e33118.
13.Viboud, C, Alonso, WJ, Simonsen, L. Influenza in tropical regions. PLoS Med 2006;3:e89.
14.Lowen, A, Palese, P. Transmission of influenza virus in temperate zones is predominantly by aerosol, in the tropics by contact: a hypothesis. PLoS Curr 2009;1:RRN1002.
15.Memoli, MJ, Athota, R, Reed, S, et al. The natural history of influenza infection in the severely immunocompromised vs nonimmunocompromised hosts. Clin Infect Dis 2014;58:214–224.
16.Fielding, JE, Kelly, HA, Mercer, GN, Glass, K. Systematic review of influenza A(H1N1)pdm09 virus shedding: duration is affected by severity, but not age. Influenza Other Respir Viruses 2014;8:142–150.
17.Mailles, A, Blanckaert, K, Chaud, P, et al. First cases of Middle East respiratory syndrome coronavirus (MERS-CoV) infections in France, investigations and implications for the prevention of human-to-human transmission, France, May 2013. Euro Surveill 2013;18:20502.
18.Edwards, DA, Man, JC, Brand, P, et al. Inhaling to mitigate exhaled bioaerosols. Proc Soc Natl Acad Sci USA 2004;101:17383–17388.
20.Berger, P. On the use of a mask in operating. Paper presented at: Surgical Society of Paris; February 22, 1899; Paris, France.
21.Lowry, HC. Some landmarks in surgical technique. Ulster Med J 1947;16:102–113.
22.Johnson, DF, Druce, JD, Birch, C, Grayson, ML. A quantitative assessment of the efficacy of surgical and N95 masks to filter influenza virus in patients with acute influenza infection. Clin Infect Dis 2009;49:275–277.
23.Stanley, WM. The size of influenza virus. J Exp Med 1944;79:267–283.
24.Yang, S, Lee, GW, Chen, CM, Wu, CC, Yu, KP. The size and concentration of droplets generated by coughing in human subjects. J Aerosol Med 2007;20:484–494.
25.Lee, SA, Grinshpun, SA, Reponen, T. Respiratory performance offered by N95 respirators and surgical masks: human subject evaluation with NaCl aerosol representing bacterial and viral particle size range. Ann Occup Hyg 2008;52:177–185.
26.Balazy, A, Toivola, M, Reponen, T, Podgorski, A, Zimmer, A, Grinshpun, SA. Manikin-based performance evaluation of N95 filtering-facepiece respirators challenged with nanoparticles. Ann Occup Hyg 2006;50:259–269.
27.Balazy, A, Toivola, M, Adhikari, A, Sivasubramani, SK, Reponen, T, Grinshpun, SA. Do N95 respirators provide 95% protection level against airborne viruses, and how adequate are surgical masks? Am J Infect Control 2006;34:51–57.
28.Makison Booth, C, Clayton, M, Crook, B, Gawn, JM. Effectiveness of surgical masks against influenza bioaerosols. J Hosp Infect 2013;84(1):22–26.
29.Li, Y, Wong, T, Chung, J, et al. In vivo protective performance of N95 respirator and surgical facemask. Am J Ind Med 2006;49:1056–1065.
30.Milton, DK, Fabian, MP, Cowling, BJ, Grantham, ML, McDevitt, JJ. Influenza virus aerosols in human exhaled breath: particle size, culturability, and effect of surgical masks. PLoS Pathog 2013;9:e1003205.
31.MacIntyre, CR, Wang, Q, Cauchemez, S, et al. A cluster randomized clinical trial comparing fit-tested and non-fit-tested N95 respirators to medical masks to prevent respiratory virus infection in health care workers. Influenza Other Respir Viruses 2011;5:170–179.
32.Seto, WH, Tsang, D, Yung, RW, et al. Effectiveness of precautions against droplets and contact in prevention of nosocomial transmission of severe acute respiratory syndrome (SARS). Lancet 2003;361:1519–1520.
33.Loeb, M, McGeer, A, Henry, B, et al. SARS among critical care nurses, Toronto. Emerg Infect Dis 2004;10:251–255.
34.Bin-Reza, F, Lopez Chavarrias, V, Nicoll, A, Chamberland, ME. The use of masks and respirators to prevent transmission of influenza: a systematic review of the scientific evidence. Influenza Other Respir Viruses 2012;6:257–267.
35.Thompson, KA, Pappachan, JV, Bennett, AM, et al. Influenza aerosols in UK hospitals during the H1N1 (2009) pandemic—the risk of aerosol generation during medical procedures. PLoS ONE 2013;8:e56278.
37.Loeb, M, Dafoe, N, Mahony, J, et al. Surgical mask vs N95 respirator for preventing influenza among health care workers: a randomized trial. JAMA 2009;302:1865–1871.
38.MacIntyre, CR, Wang, Q, Rahman, B, et al. Efficacy of face masks and respirators in preventing upper respiratory tract bacterial colonization and co-infection in hospital healthcare workers. Prev Med 2014;62:1–7.
39.MacIntyre, CR, Wang, Q, Seale, H, et al. A randomized clinical trial of three options for N95 respirators and medical masks in health workers. Am J Respir Crit Care Med 2013;187:960–966.
40.Bessesen, MT, Savor Price, C, Simberkoff, M, Reich, NG, Pavia, AT, Radonovich, LJ. N95 respirators or surgical masks to protect healthcare workers against respiratory infections: are we there yet? Am J Respir Crit Care Med 2013;187:904–905.
41.Jefferson, T, Del Mar, CB, Dooley, L, et al. Physical interventions to interrupt or reduce the spread of respiratory viruses. Cochrane Database Syst Rev 2011:CD006207.
42.Hashikura, M, Kizu, J. Stockpile of personal protective equipment in hospital settings: preparedness for influenza pandemics. Am J Infect Control 2009;37:703–707.
44.Buxton Bridges, C, Katz, JM, Seto, WH, et al. Risk of influenza A (H5N1) infection among health care workers exposed to patients with influenza A (H5N1), Hong Kong. J Infect Dis 2000;181:344–348.
45.Akazawa, M, Sindelar, JL, Paltiel, AD. Economic costs of influenza-related work absenteeism. Value Health 2003;6:107–115.
47.Fisher, EM, Noti, JD, Lindsley, WG, Blachere, FM, Shaffer, RE. Validation and application of models to predict facemask influenza contamination in healthcare settings. Risk Anal 2014;34:1423–1434.
48.Grayson, ML, Melvani, S, Druce, J, et al.Efficacy of soap and water and alcohol-based hand-rub preparations against live H1N1 influenza virus on the hands of human volunteers. Clin Infect Dis 2009;48:285–291.
49.Aiello, AE, Coulborn, RM, Perez, V, Larson, EL. Effect of hand hygiene on infectious disease risk in the community setting: a meta-analysis. Am J Public Health 2008;98:1372–1381.
50.Wong, VW, Cowling, BJ, Aiello, AE. Hand hygiene and risk of influenza virus infections in the community: a systematic review and meta-analysis. Epidemiol Infect 2014;142:922–932.
51.Talaat, M, Afifi, S, Dueger, E, et al. Effects of hand hygiene campaigns on incidence of laboratory-confirmed influenza and absenteeism in schoolchildren, Cairo, Egypt. Emerg Infect Dis 2011;17:619–625.
52.Aiello, AE, Murray, GF, Perez, V, et al. Mask use, hand hygiene, and seasonal influenza-like illness among young adults: a randomized intervention trial. J Infect Dis 2010;201:491–498.
53.Cowling, BJ, Chan, KH, Fang, VJ, et al. Facemasks and hand hygiene to prevent influenza transmission in households: a cluster randomized trial. Ann intern Med 2009;151:437–446.
54.Suess, T, Remschmidt, C, Schink, SB, et al. The role of facemasks and hand hygiene in the prevention of influenza transmission in households: results from a cluster randomised trial; Berlin, Germany, 2009-2011. BMC Infect Dis 2012;12:26.
55.Blumberg, HM, Watkins, DL, Berschling, JD, et al. Preventing the nosocomial transmission of tuberculosis. Ann intern Med 1995;122:658–663.
56.Gu, Y, Komiya, N, Kamiya, H, Yasui, Y, Taniguchi, K, Okabe, N. Pandemic (H1N1) 2009 transmission during presymptomatic phase, Japan. Emerg Infect Dis 2011;17:1737–1739.
57.Lau, LL, Cowling, BJ, Fang, VJ, et al. Viral shedding and clinical illness in naturally acquired influenza virus infections. J Infect Dis 2010;201:1509–1516.
59.Zhang, L, Peng, Z, Ou, J, et al. Protection by face masks against influenza A(H1N1)pdm09 virus on trans-Pacific passenger aircraft, 2009. Emerg Infect Dis 2013;19. doi:10.3201/eid1909.121765
60.MacIntyre, CR, Cauchemez, S, Dwyer, DE, et al. Face mask use and control of respiratory virus transmission in households. Emerg Infect Dis 2009;15:233–241.
61.Simmerman, JM, Suntarattiwong, P, Levy, J, et al. Findings from a household randomized controlled trial of hand washing and face masks to reduce influenza transmission in Bangkok, Thailand. Influenza Other Respir Viruses 2011;5:256–267.