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Quick guide: Most widely used COVID-19 vaccines and how they workLearn about the most widely used COVID-19 vaccines.
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10 amazing health stories you may have missed in 2021Here are some medical stories that really wowed us this year.
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Flu shot may be a 'bad match' for dominant strainThe shots should still help prevent severe disease.
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HPV vaccine slashes cervical cancer rates by 87% among women in the UKThe HPV vaccine reduced cases of cervical cancer by 87% among women in the U.K. who received the vaccine when they were 12 or 13 years old, according to a new study.
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Should you mix and match COVID-19 vaccines?Many people will now be able to "mix and match" COVID-19 booster shots — that is, get a different COVID-19 vaccine for a booster, the FDA announced Wednesday (Oct. 20).
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Which COVID-19 vaccine has the lowest rate of breakthrough infections?Hints in the data suggest the Johnson & Johnson vaccine has the most breakthroughs, while Moderna has the least.
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Pfizer and Moderna vaccines may provide years of protection from COVID-19The mRNA vaccines will likely provide protection against the coronavirus for years if it doesn't evolve significantly, a small new study suggests.
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Novavax's COVID-19 shots are 90% effective, company reportsThe shots are 100% effective against moderate and severe infections.
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Should 12-year-olds get the COVID-19 vaccine?The benefits of vaccinating young people against COVID-19 outweigh the risks, experts say.
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