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Current Opinion in Infectious Diseases:
doi: 10.1097/QCO.0000000000000079
NOSOCOMIAL AND HEALTHCARE RELATED INFECTIONS: Edited by Trish M. Perl

Respiratory viruses and their impact in healthcare

Rao, Suchitraa; Nyquist, Ann-Christinea,b

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Abstract

Purpose of review

As viral respiratory infections are responsible for significant morbidity and mortality, and are associated with numerous challenges for infection control, we provide an overview of the most recent publications on healthcare-associated respiratory infections.

Recent findings

Populations most susceptible to respiratory viruses include neonates, immunocompromised and elderly populations. Newer polymerase chain reaction-based assays are more sensitive and are able to detect multiple respiratory viruses. The significance of virus detection among asymptomatic individuals, however, remains unclear. There is more evidence of airborne transmission of influenza, but currently N95 masks are recommended only for aerosol generating procedures. Transocular transmission of influenza has been demonstrated in the experimental setting, but further research is needed of transocular transmission of other respiratory viruses. Mandatory vaccination of healthcare workers against influenza has been shown to reduce influenza rates and patient mortality.

Summary

Infection control measures can be supplemented with use of polymerase chain reaction testing to determine causes, but the cornerstone of prevention relies on enforcing appropriate isolation measures for patients: hand hygiene; appropriate use of personal protective equipment by healthcare workers; illness screening of visitors; and influenza vaccination of healthcare workers, patients and families.

© 2014 Wolters Kluwer Health | Lippincott Williams & Wilkins

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