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Delta and Vaccines: What Do the Numbers Say?

yellow and black no smoking sign
Photo by Hello I’m Nik. The BFD.

Fortunately for those of us in New Zealand ‘protected’ from the truth by the Team of $55 million, there is a wonderful world wide web of information available to those who care to look.

Unlike our mandarins, there are “open and transparent” bodies in the world who publish real data, one being Public Health England.  They regularly publish updates such as the most recent one called SARS-CoV-2 variants of concern and variants under investigation in England: Technical briefing 23, 17 September 2021

Table 5 on page 19 gives some interesting numbers for “Attendance to emergency care and deaths of sequenced and genotyped Delta cases in England by vaccination status”

Since they don’t provide percentage figures or directly compare vaccinated to unvaccinated the numbers here have been rearranged to hopefully give some insights.

Let’s look at the total numbers:

Nearly 600,00o cases so a pretty good cohort. Roughly 60/40 on the vaccination status, so again, a good sample.

PHE break the numbers into two groups which, if I have interpreted the descriptions correctly, are those who attend ER departments with symptoms, and then get a test confirming Delta (symptomatic) and those who attend for some other reason and are screened and found to have Delta (asymptomatic).

Either way, it appears that you are about 1.5 times more likely to go to ER if you are not vaccinated and about 1.3 times more likely to have to be admitted.

However, you are only half as likely to die.

PHE break down the numbers into under 50 and 50 and over.  So let’s look at under 50:

For the under 50s the unvaccinated are 2.5 times more likely to turn up at ER with symptoms and 3.4 times more likely to be admitted and 2.4 times more likely to die within 28 days.

So what about the oldies?  Given the push for vaccinations starting with the elderly there are a lot less unvaccinated in the 50 and over cohort.

Given the data above, it is surprising to find that the news for the vaccinated in the 50 and over cohort is all bad.  The vaccinated are 5 times more likely to turn up at ER, get admitted twice as often and die twice as often.

You pays your money and you takes your chances …
(Except – of course, it is free to get the jab in NZ)

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