Airborne dispersal as a novel transmission route of coagulase-negative staphylococci: interaction between coagulase-negative staphylococci and rhinovirus infection

Infection Control and Hospital Epidemiology : the Official Journal of the Society of Hospital Epidemiologists of America
Werner E BischoffRobert J Sherertz

Abstract

To investigate whether rhinovirus infection leads to increased airborne dispersal of coagulase-negative staphylococci (CoNS). Prospective nonrandomized intervention trial. Wake Forest University School of Medicine, Winston-Salem, North Carolina. Twelve nasal Staphylococcus aureus-CoNS carriers among 685 students screened for S. aureus nasal carriage. Participants were studied for airborne dispersal of CoNS in a chamber under three conditions (street clothes, sterile gown with a mask, and sterile gown without a mask). After 2 days of pre-exposure measurements, volunteers were inoculated with a rhinovirus and observed for 14 days. Daily quantitative nasal and skin cultures for CoNS and nasal cultures for rhinovirus were performed. In addition, assessment of cold symptoms was performed daily, mucous samples were collected, and serum titers before and after rhinovirus inoculation were obtained. Sneezing, coughing, and talking events were recorded during chamber sessions. All participants had at least one nasal wash positive for rhinovirus and 10 developed a symptomatic cold. Postexposure, there was a twofold increase in airborne CoNS (P = .0004), peaking at day 12. CoNS dispersal was reduced by wearing a gown (57% reduction, P < .0...Continue Reading

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References

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Citations

Feb 16, 2005·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·Stefano BassettiRobert J Sherertz
Jul 9, 2011·International Journal of Infectious Diseases : IJID : Official Publication of the International Society for Infectious Diseases·Richard A Stein
Mar 11, 2005·Infection Control and Hospital Epidemiology : the Official Journal of the Society of Hospital Epidemiologists of America·Stefano BassettiRobert J Sherertz
Sep 11, 2007·Infection Control and Hospital Epidemiology : the Official Journal of the Society of Hospital Epidemiologists of America·Werner E BischoffRobert J Sherertz
Nov 22, 2019·Emerging Microbes & Infections·Van-Thuan HoangPhilippe Gautret

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