CDC has now released data from 13 jurisdictions showing the difference in cases, hospitalizations and deaths for people who are fully vaccinated (14 days after the second jab) with the delta variant. cdc.gov/mmwr/volumes/7…

It leaves me scratching my head, wondering...
I've combined the table header with the data so that it is easier to read.
For these 13 jurisdictions (some are full states, some are large metro areas like NYC), below is the data from June 20 - July 17th.

Here's what I don't understand:
I don't see anywhere the percentage of people fully vaccinated vs. not vacc.

85% of cases are in unvaccinated, age 18-49 -
in these states, at this time.

But... what if 85% of people in that area & age group weren't vaccinated?
The vacc. and unvacc. would have the same risk.
OTOH, if more than half of people 18 - 49 are vaccinated in these regions, then comparing 85% of cases in unvaccinated vs vaccinated shifts towards an even bigger impact of the vaccine.

w/o knowing the percentage of people vaccinated, these percentages are meaningless
Again - maybe I'm missing something.

I can't imagine that all those CDC statisticians would manipulate the data to prove a point.

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More from @GeneticLifehack

26 Aug
Study from the University of Waterloo, Fluid Mechanics Research Lab:
"The study showed that most common masks, primarily due to problems with fit, filter about 10 per cent of exhaled aerosol droplets. The remaining aerosols are redirected, mostly out the top of the mask where...
...it fits over the nose, and escape into the ambient air unfiltered.

By contrast, higher-quality, more expensive N95 and KN95 masks filtered more than 50 per cent of the exhaled aerosols that can accumulate indoors and spread the COVID-19 virus when inhaled by other people."
uwaterloo.ca/news/media/stu…

The results surprised me...Not in the surgical mask results (I know they're fairly useless), but that N95 aren't all that effective.

The article goes on to conclude the one (very obvious) thing that no one seems to pay any attention to:
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15 Aug
1/4 Study out of Wisconsin showing that vaccinated and unvaccinated people who test positive for SARS-CoV-2 have same viral load. PCR threshold (Ct) shows high viral load in both vaccinated and unvaccinated alike.

medrxiv.org/content/10.110…
2/4. "we show that individuals in Wisconsin, USA had similar viral loads in nasal swabs, irrespective of vaccine status, during a time of high and increasing prevalence of the Delta variant. Infectious SARS-CoV-2 was isolated from 51 of 55 specimens (93%) with Ct <25 from .."
both vaccinated and unvaccinated persons, indicating that most individuals with Ct values in this range (Wilson 95% CI 83%-97%) shed infectious virus regardless of vaccine status. Notably, 68% of individuals infected despite vaccination tested positive with Ct <25, including ...
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