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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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Is the COVID-19 vaccine causing rare myocarditis cases?Researchers in Israel say they've found a possible link between the Pfizer-BioNTech COVID-19 vaccine and cases of heart inflammation called myocarditis in young men.
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Highly effective malaria vaccine could be a game-changer, early trial suggestsA new malaria vaccine showed to be 77% effective in early clinical trials, the first to pass the World Health Organization's efficacy goal.
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Vaccines neutralize New York coronavirus variant in lab dishesThe studies analyzed antibodies drawn from vaccinated people.
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COVID-19 vaccines are safe and effective in pregnancy, new study showsProtection also passes to the fetus through the placenta and to newborns through breast milk.
