Delayed care and affects of the virus are causing these problems? How does that fit in with the anti-vaccine brigade?
Oh dear, that link shows thngs you don't want to talk about:
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Coronavirus has been implicated in an increased risk of cardiovascular problems, with a study published in the prestigious science journal Nature finding that rates of heart attacks and stroke were substantially higher in military veterans who had recovered from COVID-19, compared to those who hadn't had the disease.
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What, you mean the actual virus may have increased the rates of heart attacks and strokes?

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A recent Australian study also found hospitalisations from myocarditis (inflammation of the heart muscle) and pericarditis (swelling of the membrane surrounding the heart), pulmonary embolism, heart attack and stroke were significantly more frequent after COVID?19."
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What! The same virus actually causes these heart problems including myocarditis and pericarditis?
For those that need a graphic to understand not complex statements:
Covid virus can lead to heart problems.