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Fully vaccinated countries have highest new COVID cases, study shows

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A peer-reviewed European Journal of Epidemiology Vaccines study has revealed that most fully vaccinated nations had the highest number of new COVID cases, based on the researchers’ analysis of emerging data during a seven-day period in September.

The authors said the sole reliance on vaccination as a primary strategy to mitigate COVID-19 and its adverse consequences “needs to be re-examined,” especially considering the Delta (B.1.617.2) variant and the likelihood of future variants.

As part of the study, researchers investigated the relationship between the percentage of population fully vaccinated and new COVID cases across 68 countries and 2,947 U.S. counties that had second dose vaccines, and available COVID case data.

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For seven days proceeding Sept. 3, researchers computed COVID cases per one million people for each country, as well as the percentage of population that was fully vaccinated.

Notably, Israel with more than 60% of its population fully vaccinated, had the highest COVID cases per 1 million people during the seven-day period.

Iceland and Portugal, with more than 75% of their populations fully vaccinated, had more COVID cases per 1 million people than countries such as Vietnam and South Africa, where only about 10% of the population is fully vaccinated.

The researchers found a substantial county variation in new COVID cases within categories of percentage of population fully vaccinated. There also appeared to be no significant signalling of COVID cases decreasing in counties where a higher percentage of the population was fully vaccinated.

The findings also showed no discernible association between COVID cases and fully vaccinated rates when a one-month lag was considered, to account for the 14-day period it takes for a vaccine to be considered effective.

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The authors suggested a correction to the policy narrative is warranted, as increasing vaccination rates is not enough. “Such course correction, especially with regards to the policy narrative, becomes paramount with emerging scientific evidence on real-world effectiveness of the vaccines,” they wrote.

The number of vaccinated people testing positive for COVID is on the rise, and doctors in Ohio are reporting more breakthrough cases across hospital systems.

As of Sept. 27, the CDC had received reports from 50 U.S. states and territories of 22,115 patients with COVID vaccine breakthrough infection who were hospitalized or died.

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