Tag Archives: Pfizer vaccine side effects

Pfizer February 2021 “Post Marketing” Vaccine Side Effects Tally Raises Alarms, by Yves Smith

Nine pages of side effects, in small print? From Yves Smith at nakedcapitalism.com:

We are late to turn to a critical document obtained by FOIA by the Public Health and Medical Professionals for Transparency Documents. Called 5.3.6 Cumulative analysis of post-authorization adverse event reports of pf-07302048 (bnt162b2) received through 28-feb-2021. The publication of what ought to be regarded as an explosive revelation of the range and frequency of its Covid vaccine side effects has gotten barely any notice, even on Twitter. We’ve posted the document in full at the end of this post for your inspection.

Unfortunately, it’s impossible to reach any definitive conclusions about this information because it isn’t a Phase IV clinical trial, where participants trials are tracked to capture any adverse effects that occur over an intermediate period of time. Instead, this report is based on a hodge-podge of voluntary reports into various systems across 63 countries, with the overwhelming majority coming from the US and UK, from December 1, 2020 through February 28, 2021. I find putting the start as of December 1 misleading, since the first shots in the US were administered starting December 14, 2020. So you wouldn’t even start to see what happens after a full two-shot regime until end of December, which means this is effectively two, not three, months of data

Aside from side effect information not being gathered systematically and to a consistent standard, an even bigger problem is the lack of data about the denominator, the number and mix of vaccinated subjects. The lack of information about the underlying population means it’s impossible to determine the rate of these side effects. Recall that the initial rollout gave priority to the elderly, to at risk groups, and to medical workers. One of the things you’ll notice right away is that the side effects are far more common among women:

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