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Pfizer and Moderna COVID-19 vaccines are 90% effective in 'real-world' studyTwo doses of either vaccine were 90% effective at preventing infections, and a single dose was 80% effective.
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Ex-CDC director believes COVID-19 escaped from a lab, but cites no evidenceMany experts have rejected that theory as unlikely.
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Pfizer starts COVID-19 vaccine trial in young kidsPfizer is the latest COVID-19 vaccine maker to test its shot in young children.
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85% of COVID-19 long-haulers have multiple brain-related symptoms -
WWII-era stimulant drug discovered in weight loss supplementsThe drug was one of nine prohibited stimulants found in sports and weight loss supplements.
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Best Educational Toys & Games for Infants & ToddlersThese educational and science toys could help infants and toddlers grow their little minds.
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5 kids hospitalized with liver failure after drinking ionized 'Real Water'Such water goes through an ionizing process to raise its pH so that it becomes more basic or alkaline.
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Deadly hospital superbug found on a remote island beachThe study may provide clues to the origins of this superbug, Candida auris.
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More twins are being born than ever beforeSince the 1980s, the rate of twin births worldwide has increased by more than 30%.
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1st COVID-19 vaccine vial used in the US headed to museumThe historic shot was administered to New York nurse Sandra Lindsay on Dec. 14.
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Man accidentally gets 2 COVID-19 shots in one day, goes into shockThere was a mix-up between patients at his rehabilitation center.
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Why is China giving travelers anal tests for COVID-19?Travelers to some Chinese cities have been required to take anal swab tests for COVID-19.
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Orangutans and bonobos at US zoo get experimental COVID-19 vaccineFour orangutans and five bonobos have been vaccinated.
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Mysterious odor caused by BB pellet stuck in teen's nose for 8 yearsThe teen been shot in the nose with a pellet gun years earlier.
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Microdosing with 'shrooms or LSD no better than placebo, study findsThe study had a unique design in which participants were "self blinded."
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Venomous spiders take advantage of pandemic, move into college buildingsSightings of these spiders in the university's library basement prompted staff to close the library for two days.
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New coronavirus variant in NYC has vaccine-evading mutationIt has a mutation that may help the coronavirus partially evade COVID-19 vaccines.
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Why COVID-19 spreads more easily than SARSThe study researchers focused on the spike protein, the structure that allows coronaviruses to bind to and enter human cells.
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Puppy born with 6 legs, 2 tails called a 'miracle'Despite her rare conditions, Skipper appears healthy and strong.
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'Homegrown' California coronavirus variant is more contagious and possibly deadlierLab studies found that the variant was 40% better at infecting human cells compared with earlier strains.
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Woman contracts COVID-19 from lung transplant in a firstA lifesaving operation turned tragic when a Michigan woman contracted COVID-19 from her double lung transplant last year and died soon after.
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Teachers may play a central role in spreading COVID-19 in schools, CDC saysThe findings highlight "the importance of preventing infections among educators in particular," the authors said.
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30% of people with COVID-19 experience symptoms up to 9 months laterMost participants in the study initially had mild cases of COVID-19.
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Endangered black-footed ferret cloned for the first timeThe adorable clone, named Elizabeth Ann, was created using cells that were frozen more than three decades ago.
