https://www.nytimes.com › covid-delta-variant-vaccine
7 days ago — The
C.D.C. now says fully
vaccinated people should get
tested ... If the results come back negative, they can
stop wearing masks indoors.
Equally
the CDC stopped recording breakthrough infections that did not require hospitalisation or resulted in death from April 30th, just when Delta was starting to appear. Bloomberg did a quick analysis, and remember this is after the CDC recommended fully vaccinated people not get tested for Covid anymore. What they found, from people who did not follow the official Govt advice, and went & got tested anyway:
www.bloomberg.com/news/articles/2021-07-30/cdc-scaled-back-hunt-for-breakthrough-cases-just-as-the-delta-variant-grew
Bloomberg gathered data from 35 states and identified 111,748 vaccine breakthrough cases through the end of July, more than 10 times the CDC’s end-of-April tally.
The figures being quoted for US breakthrough infections have been substantially understated since April.
These cases, not counted, are exactly the cases that present the highest risk as many will be asymptomatic
due to the vaccine doing most of its job and preventing the fully vaccinated person from developing symptoms, let alone serious illness.
That does not prevent them from potentially being a superspreader, as explained by the CDC director on over 38 media appearances since.
So Apples with Oranges.
- The time period covered is before the Delta variant took over.
- This study reflects the old understanding of CV variants.
In early April, Delta represented just 0.1 percent of cases in the United States, according to the C.D.C. By early May, the variant accounted for 1.3 percent of cases, and by early June, that figure had jumped to 9.5 percent. The C.D.C. now estimates that the number has hit 82.2 percent.
In the time period of the study you reference the Delta variant made up less than 0.04% of cases over the period.
It is not relevant to Delta, and is no longer relevant if the CDC's understanding based on observations since are confirmed. That's history.
There is a big difference between mean, median & max. The graphs also show the range of outcomes for each - some unvaccinated infected carried a massively lower viral load than fully vaccinated & vice-versa.
What I originally stated, may have been better if I added the word '
could'. The question remains how do you know if a fully vaccinated person is actually infected with Delta, asymptomatic and carries a massive viral load of the Delta strain?
In NSW's case that is now through mandatory 3 day surveillance testing for 8 LGAs 'essential workers', & regular testing in other roles (HQ etc).
I do not think you dispute that there is a growing body of evidence that the viral load carried by a fully vaccinated person infected with Delta
can be (not always) just as high as the viral load carried by a Delta infected unvaccinated person with a high viral load.
Throughout this pandemic there have been case after case of 'shooting the messenger' (it seems in China both literally & figuratively).
It took over a year (IIRC) for the Australian Federal Govt/Health to acknowledge/accept on any of its web pages that CV can be spread through the air by small aerosol particles in addition to those generated by a cough or a sneeze. At one testing site in Sydney this week their procedures manual (stapled pages) still does not reference aerosol transmission just the risk from droplets generated by a cough +/or sneeze - I asked the question & as they had no queue they went & got it for me, but held it so I could read it though
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