NZ Covid Stats – Oct 2021 – Feb 2024 – How it Started v How it’s Going

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A post on X from 21 October, saying that the unvaccinated are 119x more likely to be hospitalised than the vaccinated at the time made me curious.

So, I grabbed the relevant data and plotted it, and then compared it to today.

Cases

At 21 October 2021, the unvaccinated had tested positive 1,132 times to the Fully-Vaccinated (anyone who had 2 doses at the time)’s 128. The Unvaccinated’s rate of 74.88 per 100,000 people was 16.97x the 4.41 per-100,000 rate of the Fully Vaccinated.

If we fast-forward to February 2024, the Unvaccinated are at 91,184 total cases, 9,526 per 100,000. Fully Vaccinated are at 690,714 total cases, 50,316 per 100,000. Boosted (did not exist in 2021) are at 1,494,894 total cases and 53,878 cases per-100,000 people.

Slide the images from left to right to see the changes!

Raw total Cases Reported

Case Totals – 21 October 2021 – 5 February 2024

Cases per-100,000 people in group

Hospitalisations

At 21 October 2021, the unvaccinated had tested positive 138 times to the Fully-Vaccinated (anyone who had 2 doses at the time)’s 4. The Unvaccinated’s rate of 9.13 hospitalisations per 100,000 people was 26.85x the 0.34 per-100,000 rate of the Fully Vaccinated.

If we fast-forward to February 2024, the Unvaccinated are at 3,696 total cases, 386.15 per 100,000. Fully Vaccinated are at 6,439 total hospitalisations, 469.06 per 100,000. Boosted (did not exist in 2021) are at 22,530 total hospitalisations and 812.56 hospitalisations per-100,000 people.

NZ Hospitalisations for Covid – 21 October 2021 v 5 February 2024

Hospitalisations for Covid per-100,000 people in group

tl;dr:

Is the unvaccinated cohort 119x more likely to be Hospitalised WITH Covid, not For Covid. Happened to be in hospital for any reason and had Covid? as at 21 October?

9.13 / 0.14 = 65.21x. Not quite 119x.

Today, it’s 469.06 FV / 386.15 0 dose = Fully-vaccinated are 1.21x more likely to have been hospitalised per-100,000 people.

(Boosted are 812.56/386.15 or 2.10x more likely to have been hospitalised for Covid than 0-dose, per-100,000 people.

Vaccination Cohort Data

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