Since the COVID pandemic started more than two years ago, SARS-CoV-2 (the COVID-19 virus) has mutated enough to evade the immune system multiple times, allowing it to infect people repeatedly.

Since the COVID pandemic started more than two years ago, SARS-CoV-2 (the COVID-19 virus) has mutated enough to evade the immune system multiple times, allowing it to infect people repeatedly.

Many people are already sick with COVID, so it shouldn't be surprising that many of them are getting sick a second or third time. 

Do you expect to feel worse or better if you're infected again? The issue is important from a public health perspective as well as being a question a lot of people wonder about.

A zero-COVID strategy would be the only way to avert waves of serious illness if symptoms are more severe. This would mean that the pandemic would escalate as people became sicker and sicker.

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