They did two prior reports, Face Mask Use in Air Travel and
Air Cabin Cleaning and Disinfection, both heavily referenced.
Links to the pdf's are on this page.
On the page with the videos I linked to there is a PDF titled
HSPH APHI Phase One Report. That is an impressive collection of
information!
On section 3.1.3 Viral Load - is this (edits mine)
Viral loads vary over the course of the disease, tending to peak
at or just before the onset of symptoms...and becoming undetectable
about two weeks after onset of symptoms for severely/critically
ill and immunosuppressed patients ...
It is likely that for those with less severe disease, infectivity
decreases more rapidly and to near-zero after 10 days ... there is
no definitive data on whether viral load is lower in asymptomatic
compared to symptomatic individuals; however, several studies
conclude that asymptomatic carriers could have viral loads comparable
to those of symptomatic carriers ...
It has been estimated that approximately 40-45% of SARS-CoV-2 infections
are asymptomatic ... A major limitation is that detection by viral
RNA does not correlate with viable or infectious virus, presumed to
be some fraction of total RNA in the samples. Culture of viral
samples on tissue culture is presumed to correlate better with infectivity.
I read that as we are ####ed
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