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henjin's avatar

When I kept people included under dose 1 even after subsequent doses, and when I calculated excess mortality based on the age composition of the cohort without adjusting for seasonal variation in mortality, then the total excess mortality up to September 2023 was about 109% for people who received the first dose in April 2021, 29% in May, -14% in June, -12% for July, -12% for August, 18% for September, and 51% for October: https://mongol-fi.github.io/moar.html#Effect_of_missing_doses_during_the_rollout_of_the_first_dose. Among the late vaccinees who received the first dose in September 2021 or later, there continued to be elevated excess mortality even in 2023.

The month with the most first doses given was August. Other doses also seem to have a similar "late vaccinee effect" where people who received the dose during the later part of the rollout peak later had higher excess mortality than people who received the dose during the earlier part of the rollout peak.

So there seems to be a distribution where first a small number of the earliest vaccinees have high mortality, second a large number of earlier vaccinees have low mortality, and third a large number of later vaccinees have high mortality. And the proportion of doses that are missing from the NZ data gradually gets lower over time, so the underrepresentation of the first group is counteracted by the overrepresentation of the third group.

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Fabian Spieker's avatar

Great job. I, too believe the bulk of mortality should be occurring within days.

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