Vaccine Shakeups, Brain Injury Warnings and Boozy Chimps

疫苗调整,脑损伤警示及醉酒猩猩

Science Quickly

2025-09-22

10 分钟
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The Centers for Disease Control and Prevention’s vaccine advisory committee has been reshaped, with new recommendations on the horizon. Meanwhile studies reveal subtle brain changes in contact sports players and highlight ongoing risks of repetitive head injuries. Climate change is linked to a surge in heat-related deaths across Europe, while surprising research uncovers chimpanzees’ daily ethanol consumption and ants that produce hybrid offspring. Recommended Reading Here’s What Happened at RFK, Jr.’s Overhauled Vaccine Panel Meeting How RFK, Jr.’s Dismissal of CDC Immunization Committee Panelists Will Affect America’s Vaccine Access Chronic Traumatic Encephalopathy: A Player's Perspective Email us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new everyday: subscribe to Scientific American and sign up for our daily newsletter.  Learn more about your ad choices. Visit megaphone.fm/adchoices
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  • Happy Monday, listeners. I'm Rachel Feldman.

  • Let's kick off the week with a quick roundup of some of the latest science news.

  • First, let's check in on vaccines.

  • On Thursday and Friday of last week,

  • the Centers for Disease Control and Prevention's Advisory Committee on Immunization Practices,

  • or ACIP, met to review and vote on recommendations for official U.S. vaccine guidelines.

  • Back in June, Robert F. Kennedy Jr., Secretary of the U.S.

  • Department of Health and Human Services, dismissed all sitting members of the committee.

  • Several of the 12 new panel members, all of whom were handpicked by Kennedy,

  • have publicly expressed doubts about the safety of vaccines or the severity of the COVID pandemic.

  • An agenda released ahead of last week's meeting stated that the ACIP would propose recommendations for the hepatitis B,

  • COVID, and measles, mumps, rubella, and varicella vaccines.

  • Here's Lauren Young, associate editor for Health and Medicine at Scientific American,

  • with a quick update as of Friday.

  • So far we've seen a few votes come through.

  • The first one that they focused on was the MMRV vaccine.

  • This is the measles, mumps, rubella, and varicella vaccine.

  • Varicella is commonly known as chickenpox.

  • And they decided not to recommend the single combined shot for kids younger than age four.

  • Another vaccine that was discussed was the hepatitis B vaccine.