New paper in European Journal of Epidemiology by researchers from Harvard and Canada:
“๐๐ป๐ฐ๐ฟ๐ฒ๐ฎ๐๐ฒ๐ ๐ถ๐ป ๐๐ข๐ฉ๐๐๐ญ๐ต ๐ฎ๐ฟ๐ฒ ๐๐ป๐ฟ๐ฒ๐น๐ฎ๐๐ฒ๐ฑ ๐๐ผ ๐น๐ฒ๐๐ฒ๐น๐ ๐ผ๐ณ ๐๐ฎ๐ฐ๐ฐ๐ถ๐ป๐ฎ๐๐ถ๐ผ๐ป across 68 countries and 2947 counties in the United States”
At the country-level, there appears to be no discernable relationship between percentage ofย population fully vaccinated and new COVID-19 cases in the last 7ย days (Fig.ย 1). In fact, the trend line suggests a marginally positive association such that countries with higher percentage ofย population fully vaccinated have higher COVID-19 cases per 1 million people. Notably, Israel with over 60% of their population fully vaccinated had the highest COVID-19 cases per 1 million people in the last 7ย days. The lack of a meaningful association between percentage population fully vaccinated and new COVID-19 cases is further exemplified, for instance, by comparison of Iceland and Portugal. Both countries have over 75% of their population fully vaccinated and have more COVID-19 cases per 1 million people than countries such as Vietnam and South Africa that have around 10% of their population fully vaccinated.
Hmm.
Clarissa's Blog 
You don’t suppose, by any chance, the increase in cases might have anything to do with the population density of the society (or areas) in question?
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“You donโt suppose, by any chance, the increase in cases might have anything to do with the population density of the society (or areas) in question?”
The following chart is of covid death vs population density. There doesn’t appear to be a connection between the two.
Also, interestingly, I couldn’t find any charts anywhere on the internet comparing covid cases to population density even though it would take 5 minutes to connect those two data sets.
In my experience, that kind of omission happens more often when the new chart runs counter to a political or economic narrative.
Anyway since covid infections directly track covid cases, it is reasonable to assume that a covid case v population density chart would probably look similar.
https://ourworldindata.org/grapher/covid-19-death-rate-vs-population-density
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“In fact, the trend line suggests a marginally positive association”… But there’s definitely, certainly, positively, NO relationship between more vaccination and the rise in cases. Nope. No connection whatsoever.
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