Naoto Ueyama, postulated 2 things:
"All of the different mutant strains of the virus which exist in different places will be concentrated and gathering here in Tokyo"; and"We cannot deny the possibility of even a new strain of the virus potentially emerging"
Kenji Shibuya, only refuted the second with "Mutation takes place when virus stays in immunocompromised partially immunized people for a long period of time".
It is undeniable that the first postulate is correct. It is ENTIRELY POSSIBLE that an asymptomatic athlete or official from a specific country might transmit the virus to athletes or official from other countries.
It is undeniable that a gathering of all countries carries a greater risk of spreading a particular EXISTING than not gathering.
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Only one problem, the virus has lapped all of the other competitors.
Meanwhile Xi Jinping, keynote speaker says ""Rules should be followed by all"..
Should he be calculating his liability?
"Virus cost global tourism $1.3 trillion in 2020: U.N" - Reported by JapanToday
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The "first of its kind claim" is dubious. Boeing launched a self-cleaning bathroom in 2016:
First "without harming human health" is also a dubious claim. UV lights are widely used in public toilets to prevent drug addicts using them.
This is from 2 years ago:
"This public bathroom has UV antibacterial lights in it"
Shanghai was using UV light in trains back in March.
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Not very efficient - why not use ozone?
Hospitals use ozone overnight in operating theatres - for good reason!
Ozone is 100% effective, it penetrates carpets and seat material (which manual cleaning doesn't), requires minimal labour and leaves no residue except dead microbes.
Contact me if you need any other advice.
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