People who have survived a COVID-19 infection and were later vaccinated seem to be extremely well protected against all the variants of the coronavirus. They have stronger antibodies and more of them compared to people who have only either recovered from or been vaccinated against Covid.
Immunity to all forms of the coronavirust may be closer than we thought. One study in the US found some people have seemingly bullet-proof protection from all variants of COVID-19 circulating at the moment.
But what does it mean to be super-immune? And how widespread could this protection be?
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