In light of the findings Ebinger said: “We need to raise awareness and understanding that receiving three doses of a vaccine may not prevent severe COVID-19 in everyone, especially among people with high blood pressure.

“We also need more research to understand why there is a link between high blood pressure and an excess risk for more severe COVID-19 illness.”

As a result, this data suggests greater awareness needs to be made of the risks faced by those with high blood pressure and further research needs to be done into this field.

It also raises questions about the effectiveness of the current vaccines.

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