The Last Post

The Last Post

Note that views expressed in this opinion article are the writer’s personal views and not necessarily those of TrialSite.

Who’s wrong, who’s right? 1

These are the key points one has to understand to be able to capture the never-ending discussion on whether or not mass vaccination campaigns work:

Pandemics are by definition not static but dynamic eventsPandemics have both detrimental and beneficial effects (e.g., waves of morbidity & death and generation of herd immunity, respectively) that are phased in timePandemic waves hit populations of different age groups at different points in time Normally (I should say: ‘naturally’), a pandemic starts with some bad news (a number of lives are lost) and ends with plenty of good news (all of the population protected by herd immunity)

This already illustrates that any assessment made during the course of a pandemic can only be a snapshot as long as the pandemic has not reached its ‘natural’ end station (which is herd immunity). As a result, one might erroneously assume that pandemic is over when the first wave ends with a steep decline in morbidity and mortality rates. That happens when someone doesn’t understand that h...

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