Health & Medicine

  1. Parents and kids lined up outside a school
    Health & Medicine

    Schools are reopening. COVID-19 is still here. What does that mean for kids?

    Children do get COVID-19, and some become very sick and even die. But the disease’s long-term effects on kids remain uncertain.

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  2. a trombone player, a flute player and a saxophone player in a parade
    Health & Medicine

    What science tells us about reducing coronavirus spread from wind instruments

    Performers struggled to find evidence that would free them from musical lockdown, so they partnered with researchers to get some answers.

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  3. A man wearing a surgical mask passes a sign that reads "you still have to wear a mask"
    Health & Medicine

    New delta variant studies show the pandemic is far from over

    The coronavirus’s delta variant is different from earlier strains of the virus in worrying ways, health officials are discovering.

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  4. a crowd of people wearing face masks in Grand Central Station in New York City
    Health & Medicine

    Why the CDC says it’s crucial to start wearing masks indoors again

    While unvaccinated people are driving the spread of the coronavirus, vaccinated people infected with the delta variant may also easily transmit it.

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  5. cars lined up at a COVID-19 rapid testing site
    Health & Medicine

    Why it’s still so hard to find treatments for early COVID-19

    Small studies, unexpected side effects and incomplete information about how drugs work can stymie clinical trials for drugs that can treat COVID-19.

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  6. a person prepares a syringe with a Pfizer COVID-19 vaccine dose
    Health & Medicine

    What experts know so far about COVID-19 boosters for immunocompromised people

    Some immunocompromised people remain at risk for severe COVID-19 despite being vaccinated. Studies hint that an additional vaccine dose might help.

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  7. hairlike cilia (shown in purple) shown at full length and cut short by coronavirus (shown in yellow)
    Health & Medicine

    The coronavirus cuts cells’ hairlike cilia, which may help it invade the lungs

    Images show that the coronavirus clears the respiratory tract of hairlike structures called cilia, which keep foreign objects out of the lungs.

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  8. Salmonella bacteria infecting human cells
    Health & Medicine

    Human cells make a soaplike substance that busts up bacteria

    Nonimmune cells can fight off pathogens by releasing a detergent-like molecule that dissolves bacterial membranes.

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  9. a small child, being held by her mother, is given a vaccine by a nurse in India
    Health & Medicine

    Millions of kids have missed routine vaccines thanks to COVID-19

    Missed shots due to the pandemic may have cut vaccination rates for measles, diphtheria, tetanus and pertussis to their lowest levels in over a decade.

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  10. Woman with sweat stain
    Humans

    ‘The Joy of Sweat’ will help you make peace with perspiration

    Dripping with science and history, a new book by science journalist Sarah Everts seeks to take the stigma off sweat.

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  11. greater horseshoe bats hanging from cave ceiling
    Health & Medicine

    One mutation may have set the coronavirus up to become a global menace

    A study pinpoints a key mutation that may have put a bat coronavirus on the path to becoming a human pathogen, helping it better infect human cells.

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  12. Epstein-Barr virus
    Health & Medicine

    50 years ago, scientists found a virus lurking in human cancer cells

    In 1971, scientists were building a case for viruses as a cause of cancer. Fifty years later, cancer-preventing vaccines are now a reality.

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