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Will you need more booster shots to protect against new COVID-19 variants? Doctors explain

A new coronavirus variant first detected by scientists in South Africa has brought concerns and questions for many people. It's unclear where the new variant actually came from, but it was first detected by scientists in South Africa and has also been seen in travelers to Hong Kong and Botswana. Health experts say this variant may be more dangerous than the delta variant, which has fueled waves of infection on every continent. This new variant has already sparked travel restrictions, shaken up world markets and has scientists scrambling to understand the risks. Americans often get a flu shot every year because of different strains, and some are wondering if we'll have to get more COVID-19 boosters because of the new variant.