Scientific American associate editor Lauren J. Young breaks down key vaccine recommendations from the Centers for Disease Control and Prevention’s Advisory Committee on Immunization Practices. Also, the Food and Drug Administration is considering controversial changes to vaccine approval and administration. Meanwhile a new study warns that light pollution from satellite megaconstellations could severely compromise space telescope observations. Recommended Reading: CDC Vaccine Panel Scraps Guidance for Universal Hepatitis B Shots at Birth Changing the FDA’s Vaccine Approval Process Could Threaten COVID, Flu Protection for Children Satellites Swarming Low-Earth Orbit Threaten Space Telescopes E-mail 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. Science Quickly is produced by Kendra Pierre-Louis, Fonda Mwangi and Jeff DelViscio. This episode was edited by Alex Sugiura, with fact-checking by Shayna Posses and Aaron Shattuck. Our theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices