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2017 ; 11
(5
): e0005622
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Rapid deployment of a mobile biosafety level-3 laboratory in Sierra Leone during
the 2014 Ebola virus epidemic
#MMPMID28505171
Zhang Y
; Gong Y
; Wang C
; Liu W
; Wang Z
; Xia Z
; Bu Z
; Lu H
; Sun Y
; Zhang X
; Cao Y
; Yang F
; Su H
; Hu Y
; Deng Y
; Zhou B
; Zhao Z
; Fu Y
; Kargbo D
; Dafae F
; Kargbo B
; Kanu A
; Liu L
; Qian J
; Guo Z
PLoS Negl Trop Dis
2017[May]; 11
(5
): e0005622
PMID28505171
show ga
BACKGROUND: Ebola virus emerged in West Africa in December 2013. The high
population mobility and poor public health infrastructure in this region led to
the development of the largest Ebola virus disease (EVD) outbreak to date.
METHODOLOGY/PRINCIPAL FINDINGS: On September 26, 2014, China dispatched a Mobile
Biosafety Level-3 Laboratory (MBSL-3 Lab) and a well-trained diagnostic team to
Sierra Leone to assist in EVD diagnosis using quantitative real-time PCR, which
allowed the diagnosis of suspected EVD cases in less than 4 hours from the time
of sample receiving. This laboratory was composed of three container vehicles
equipped with advanced ventilation system, communication system, electricity and
gas supply system. We strictly applied multiple safety precautions to reduce
exposure risks. Personnel, materials, water and air flow management were the key
elements of the biosafety measures in the MBSL-3 Lab. Air samples were regularly
collected from the MBSL-3 Lab, but no evidence of Ebola virus infectious aerosols
was detected. Potentially contaminated objects were also tested by collecting
swabs. On one occasion, a pipette tested positive for EVD. A total of 1,635
suspected EVD cases (824 positive [50.4%]) were tested from September 28 to
November 11, 2014, and no member of the diagnostic team was infected with Ebola
virus or other pathogens, including Lassa fever. The specimens tested included
blood (69.2%) and oral swabs (30.8%) with positivity rates of 54.2% and 41.9%,
respectively. The China mobile laboratory was thus instrumental in the EVD
outbreak response by providing timely and reliable diagnostics.
CONCLUSIONS/SIGNIFICANCE: The MBSL-3 Lab significantly contributed to
establishing a suitable laboratory response capacity during the emergence of EVD
in Sierra Leone.
|*Containment of Biohazards
[MESH]
|Ebolavirus
[MESH]
|Epidemics
[MESH]
|Facility Design and Construction/*standards
[MESH]