SPREAD BY CONTACT, DROPLET AND NOW AIRBORNE (AEROSOL TRANSMISSIBLE)? WHAT THEY SAID BEFORE: blogs.reuters/great-debate/2014/10/13/read-this-to-get-a-better-understanding-of-how-ebola-spreads/ WHAT THEYRE SAYING NOW: zerohedge/news/2014-10-13/cidrap-we-believe-there-scientific-evidence-ebola-has-potential-be-airborne SUMMARY: We believe there is scientific and epidemiologic evidence that Ebola virus has the potential to be transmitted via infectious aerosol particles both near and at a distance from infected patients, which means that healthcare workers should be wearing respirators, not face-masks. To summarize, for the following reasons we believe that Ebola could be an opportunistic aerosol-transmissible disease requiring adequate respiratory protection: • Patients and procedures generate aerosols, and Ebola virus remains viable in aerosols for up to 90 minutes. • All sizes of aerosol particles are easily inhaled both near to and far from the patient. • Crowding, limited air exchange, and close interactions with patients all contribute to the probability that healthcare workers will be exposed to high concentrations of very toxic infectious aerosols. • Ebola targets immune response cells found in all epithelial tissues, including in the respiratory and gastrointestinal system. • Experimental data support aerosols as a mode of disease transmission in non-human primates.
Posted on: Wed, 15 Oct 2014 15:28:11 +0000
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