Table 4.

Published Studies of Nonendemic Nosocomial Respiratory Viral Infections

Authors	Year	Patient Population	Study Design	Viruses Identified	Study Findings
Mufson et al [25]	1973	Pediatric	Prospective surveillance	Parainfluenza 3	36 of 197 uninfected contacts acquired infection with parainfluenza 3 during hospital stay
Wenzel et al [12]	1977	Pediatric	Prospective surveillance	RSV, Parainfluenza type 3, Influenza A/B	17 nosocomial respiratory viral infections per 100 admissions
Valenti et al [5]	1980	Adult and Pediatric Patients	Prospective surveillance	RSV, Influenza A, Adenovirus, Parainfluenza, Rhinovirus	4 and 55 nosocomial respiratory viral infections/10 000 admissions to the adult and pediatric care units, respectively
Sims [26]	1981	Pediatric	Prospective surveillance	RSV, Influenza A/B, Parainfluenza, Adenovirus, Rhinovirus, Enterovirus	73 nosocomial respiratory viral infections/10 000 admissions
Gagneur et al [27]	2002	Pediatric	Prospective surveillance	Human Coronavirus	11% of patients admitted to the neonatal and pediatric intensive care units developed a nosocomial respiratory viral infection
Simon et al [3]	2006	Pediatric	Prospective surveillance	RSV	1 nosocomial respiratory viral infection/1000 patient days
Sidler et al [14]	2012	Pediatric	Retrospective observation	Adenovirus, Coronoavirus, Human Metapneumovirus, Influenza A/B, Parainfluenza, RSV, Rhinovirus	1.3 nosocomial respiratory viral infections/1000 patient days

Abbreviations: RSV, respiratory syncytial virus.