Respiratory syncytial virus outbreak on an adult stem cell transplant unit

被引:20
作者
Kelly, Sean G. [1 ]
Metzger, Kristen [2 ]
Bolon, Maureen K. [1 ,2 ]
Silkaitis, Christina [2 ]
Mielnicki, Mary [3 ]
Cullen, Jane [4 ]
Rooney, Melissa [4 ]
Blanke, Timothy [5 ]
Tahboub, AlaaEddin [5 ]
Noskin, Gary A. [1 ]
Zembower, Teresa R. [1 ,2 ]
机构
[1] Northwestern Univ, Feinberg Sch Med, Dept Med, Div Infect Dis, Chicago, IL 60611 USA
[2] Northwestern Mem Hosp, Healthcare Epidemiol & Infect Prevent, Chicago, IL 60611 USA
[3] Northwestern Mem Hosp, Oncol Serv, Chicago, IL 60611 USA
[4] Northwestern Mem Hosp, Corp Hlth, Chicago, IL 60611 USA
[5] Northwestern Mem Hosp, Diagnost Mol Biol Lab, Chicago, IL 60611 USA
关键词
Health care epidemiology; Hematopoietic stem cell transplantation; INFECTIONS; INFANTS;
D O I
10.1016/j.ajic.2016.03.075
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Background: An increase in respiratory syncytial virus type B (RSV-B) infections was detected on an adult hematology/oncology and stem cell transplant unit during March 2015. This prompted an outbreak investigation. Methods: Nosocomial cases were defined as RSV-B-positive patients who developed respiratory virus symptoms >= 7 days after admission to the unit or were readmitted with symptoms >= 7 days since last discharge from the unit. Strict outbreak control measures were implemented to stop the outbreak. Results: During the outbreak, 19 cases of RSV-B were detected, 14 among patients and 5 among health care workers (HCWs). Additionally, 2 HCWs tested positive for respiratory syncytial virus type A and 1 tested positive for influenza B among the 27 symptomatic HCWs evaluated. No specific antiviral therapy was given and all cases recovered without progression to lower respiratory tract infection. After no new cases were identified for 2 weeks, the outbreak was declared over. Conclusions: High vigilance for respiratory viruses on high-risk inpatient units is required for detection and prevention of potential outbreaks. Multiple respiratory viruses with outbreak potential were identified among HCWs. HCWs with respiratory virus symptoms should not provide direct patient care. Absence of lower respiratory tract infection suggests lower virulence of RSV-B, compared with respiratory syncytial virus type A, among immunocompromised adults. (C) 2016 Association for Professionals in Infection Control and Epidemiology, Inc. Published by Elsevier Inc. All rights reserved.
引用
收藏
页码:1022 / 1026
页数:5
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