How multiple COVID-19 infections can harm the body - National Geographic

With reinfections on the rise, scientists warn that each bout increases your risk of troubling outcomes, from long COVID to heart disease.

Ziyad Al-Aly noticed that more and more patients were coming to his Missouri clinic with what he describes as an air of invincibility. It was March 2022, and these patients were vaccinated and booste… [+868 chars]

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