ABC News: New variants raise worry about COVID-19 virus reinfections

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Though the entire world has been battling the coronavirus pandemic for over a year now, there is still a lot to learn about how long immunity lasts from natural infection. New variants of the virus are appearing throughout the globe and many are starting to believe that having COVID-19 previously would not protect against getting infected again with some of these variants. In some cases, people can get second infections with variants if they did not mount a strong enough defense the first time. To learn more about the risk of reinfection, click here

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