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CDC - Ebola virus persistence on solid surfaces

Z

Zac

Well-known member
"Limited laboratory studies under favorable conditions indicate that Ebola virus can remain viable on solid surfaces, with concentrations falling slowly over several days."

How long does Ebola virus persist in indoor environments?

Only one laboratory study, which was done under environmental conditions that favor virus persistence, has been reported. This study found that under these ideal conditions Ebola virus could remain active for up to six days.1 In a follow up study, Ebola virus was found, relative to other enveloped viruses, to be quite sensitive to inactivation by ultraviolet light and drying; yet sub-populations did persist in organic debris.

http://www.cdc.gov/vhf/ebola/hcp/environmental-infection-control-in-hospitals.html
 
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Re: CDC - Ebola virus persistence on solid surfaces

IanM said:
More than 1 study...
http://onlinelibrary.wiley.com/enhanced/doi/10.1111/j.1365-2672.2010.04778.x/

and

http://jid.oxfordjournals.org/content/179/Supplement_1/S170.long
Click to expand...

From the first link (Wiley.com)
Conclusions:  Our study has shown that Lake Victoria marburgvirus (MARV) and Zaire ebolavirus (ZEBOV) can survive for long periods in different liquid media and can also be recovered from plastic and glass surfaces at low temperatures for over 3 weeks. The decay rates of ZEBOV and Reston ebolavirus (REBOV) plus MARV within a dynamic aerosol were calculated. ZEBOV and MARV had similar decay rates, whilst REBOV showed significantly better survival within an aerosol.
 
Re: CDC - Ebola virus persistence on solid surfaces

Quite possibly. Direct contact gets most of the attention but indirect contact also a big factor and I would think an especially significant one for HCWs in doffing PPE suits incorrectly.
 
Re: CDC - Ebola virus persistence on solid surfaces

The temperature impact is going to be interesting as all previous outbreaks have been in high humidity high temperature zone. A change of climate for Ebola may throw up some changes in the relative significance of transmission routes. We shall see how Ebola likes its winter holidays.
 
Re: CDC - Ebola virus persistence on solid surfaces

JJackson said:
The temperature impact is going to be interesting as all previous outbreaks have been in high humidity high temperature zone. A change of climate for Ebola may throw up some changes in the relative significance of transmission routes. We shall see how Ebola likes its winter holidays.
Click to expand...
From what I've read, Ebola may persist better in cooler temperatures (40 F) than in hot conditions.

http://www.phac-aspc.gc.ca/lab-bio/res/psds-ftss/ebola-eng.php
 
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Re: CDC - Ebola virus persistence on solid surfaces

Did they decontaminate the waiting room in the ER already? or should they based on this story?
'So the family continued to wait, watching people come and go through the emergency room. All the while, the neatly folded blanket that hours earlier had covered the first person in this country to be diagnosed with Ebola lay on the chair next to Jallah."
http://www.washingtonpost.com/national/health-science/for-quarantined-relatives-in-us-ebola-case-extra-cautions-hope-and-prayer/2014/10/02/add51488-4a5f-11e4-891d-713f052086a0_story.html
 
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