#HBA2021: Greg Whitely. What is the definition of clean? We clean materials to visual inspection to clean microbes we can't see.
We shed 40 million skin cells per day. We touch our faces 20-40 times a minute.
We shed 40 million skin cells per day. We touch our faces 20-40 times a minute.
Superbugs in hospitals have not taken the last two years off.
Some microbes can survive in a viable form for years in biofilms.
Organisms you touch can remain on your fingers for up to 19 consecutive touches (and move to other surfaces).
Some microbes can survive in a viable form for years in biofilms.
Organisms you touch can remain on your fingers for up to 19 consecutive touches (and move to other surfaces).
The spread of microbes on surfaces is not uniform. If you use the wrong form of cleaning you can actually spread the microbes rather than remove them.
There are 9 variables in wiping a surface (pressure, disinfect to towel surface, frequency, etc.).
There are 9 variables in wiping a surface (pressure, disinfect to towel surface, frequency, etc.).
Microbe are more resistant to antibiotics when in a biofilm.
How do you monitor cleaning in a timely manner?
One method, ATP handheld devices have wide range of responses and variance in response compared to HPLC. Any single ATP reading has a 20% chance of being wrong by a factor of 100!
One method, ATP handheld devices have wide range of responses and variance in response compared to HPLC. Any single ATP reading has a 20% chance of being wrong by a factor of 100!
How do you swab irregular shapes, like faucet handles, when recommendations are for 10x10 square areas? Take multiple samples of same surface.
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