HantaSite Motivation and Introduction
Why am I creating HantaSite, and who am I to
do it?
Both skills and limits
What needs
did I see?
What are
Hantavirus, Sin Nombre Virus (SNV),
and Hantavirus Pulmonary Syndrome (HPS)?
Hantavirus
life cycle, worldwide and domestic incidence
Structure and properties of the virion
form (the assembled, portable virus “seeds”)
SNV
(previously Four Corners virus) and HPS
How does one become ill with SNV?
What has to
happen for infection from mouse to human?
Inhalation
of aerosols of SNV virions
Numerous
factors, many with large probability factors
Hantavirus in Mice – A good year for mice is a bad year for Sin Nombre
What does
SNV look like among the deer mouse population in which it is endemic?
How is SNV spread
among mice, and what causes a mouse to shed SNV virions?
Correlations between mice, mouse population swings, and SNV incidence?
Hantavirus Housekeeping
Links to
online resources for safe mouse removal and cleanup operations
Safe
housekeeping in cabins, tents, etc.
Bleach or
disinfectants to neutralize virus and wet or damp procedures
No sweeping!?
No sweeping!?
SNV Clusters
Hanta
site-related factors
Mouse
ecology
Urban/rural interface zone
Automobile Cabin Air Systems as a Transmission Mode
Incidence
of mouse infestation in automobile cabin air intakes
Rapid capture, drying, and aerosolization of SNV laden mouse urine
Physics of electret
filters, minimum efficiency particle size
Denaturing
of SNVvirions – time factors
Intensive Care Cacophony – The Data Must Go On
Is lack of
sleep in ICU an inevitable thing?
Does ICU
sleep deprivation contribute to “ICU-itis?”
What can be
done to reduce sleep interruptions for tests?
Hantavirus Survivor’s Story – Jolissa Doerksen
Cleaning a
cabin as an infection mode
Experiences
and recovery battle
Why Me? Why does SNV strike in an Apparently Rare Way
We don't have mice swinging from our chandeliers. We don't even have chandeliers.
SNV is ubiquitous in the U.S.
Roughly 10% of most common rodents, deer mice or equiv.
Time, Space, and Aerosolization
The Yosemite Park Hantavirus Outbreak
Aerosolization of mouse detritus by double walled tent aspiration
The forces exerted by wind loading on the outside of a double wall tent
No such forces on the inner wall – Result is a bellows-like configuration
That bellows configuration is almost ideal for aerosolizing debris that is
near small leaks in the inner tent layer
Airflow with breathing-like action between tent interior and trapped airspace
Concentration and protection from UV of hantavirus in protected airspace
Why Me? Why does SNV strike in an Apparently Rare Way
We don't have mice swinging from our chandeliers. We don't even have chandeliers.
SNV is ubiquitous in the U.S.
Roughly 10% of most common rodents, deer mice or equiv.
Time, Space, and Aerosolization
The Yosemite Park Hantavirus Outbreak
Aerosolization of mouse detritus by double walled tent aspiration
The forces exerted by wind loading on the outside of a double wall tent
No such forces on the inner wall – Result is a bellows-like configuration
That bellows configuration is almost ideal for aerosolizing debris that is
near small leaks in the inner tent layer
Airflow with breathing-like action between tent interior and trapped airspace
Concentration and protection from UV of hantavirus in protected airspace
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