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Moderna starts COVID-19 vaccine trial in infants and young childrenThe trial includes children in the U.S. and Canada.
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Can moms pass COVID-19 immunity to their newborns?A new study shows that antibodies can cross the placenta and could be protective to the baby.
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There's a new coronavirus variant in the UK. Here's what we know.Vaccines will likely work just as well against the variant.
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Chinese-made COVID-19 vaccine is 86% effective, early data suggestThe United Arab Emirates has approved the vaccine based on this data.
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How COVID-19 vaccines will get from the factory to your local pharmacyHere's how the Pfizer and Moderna COVID-19 vaccines will be distributed and kept safe from the factory to your local pharmacy.
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Speed of COVID vaccine testing did not compromise safety, Fauci saysThis incredible speed in vaccine development is unprecedented, but the process is solid.
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What is herd immunity?Scientists use herd immunity to describe the point at which a population is sufficiently immune to a disease to prevent its circulation.
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Who created the polio vaccine?In the early 1950s, Dr. Jonas Salk and Dr. Albert Sabin each found a way to protect the world from poliomyelitis, the paralysis-causing disease commonly known as polio. Here's how they did it.
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How does the new coronavirus compare with the flu?Since the new coronavirus was first discovered in January, many people have compared it with a more well-known disease: The flu.
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