5

"Person vaccinated-days" is just expressing units of people*days; if one person was vaccinated 7 days ago and another 3 days ago that would be a total of "10 person vaccinated-days".


2

I am neither a medical professional nor a statistician, so caveat emptor and all that Short answer is no. This is because, in the article the authors state: A total of 1,736,832 persons were eligible for inclusion in the vaccination cohort... ...The vaccination cohorts included a mean of 884,828 vaccinated persons, with a median age of 38 years If you ...


1

The VAERS guideline has this: What are healthcare providers required to report to VAERS? Healthcare providers are required by law to report to VAERS: Any adverse event listed in the VAERS Table of Reportable Events Following Vaccination that occurs within the specified time period after vaccination An adverse event listed by the vaccine manufacturer as a ...


1

I think there's some missing the forest for the trees here, in the sense that adverse events (aka adverse effects) generally do not have a strict definition beyond something like: untoward medical occurrences after exposure. These endpoints, which are not necessarily causally related [to the treatment], are called adverse events (or sometimes adverse ...


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