infectious diseaseScienceThe CDC Has a Leadership CrisisBy Emily MullinScienceMany States Say They’ll Defy RFK Jr.’s Changes to Hepatitis B VaccinationBy Emily MullinScienceAn Invasive Disease-Carrying Mosquito Has Spread to the Rocky MountainsBy Erin DouglasScienceClimate Change Is Bringing Legionnaire’s Disease to a Town Near YouBy Dylan ScottScienceThe West Texas Measles Outbreak Has EndedBy Emily MullinScienceThe First Widespread Cure for HIV Could Be in ChildrenBy David CoxScienceMeasles Cases Are Soaring in MexicoBy Fernanda GonzálezScienceCan US Measles Outbreaks Be Stopped?By Emily MullinScienceFeeling Hoarse? You Might Have the New ‘Stratus’ Covid VariantBy Marta MussoScienceThe FDA Just Approved a Long-Lasting Injection to Prevent HIVBy Jorge GarayScienceWHO Monitors New Covid Variant Spreading in America and EuropeBy Fernanda GonzálezScienceAs Measles Cases Surge, Mexico Issues a US Travel AlertBy Javier CarbajalScienceScientists Find Measles Likely To Become Endemic in the US Over Next 20 YearsBy Emily MullinScienceMeasles Cases Are Rising. Other Preventable Diseases Could FollowBy Emily MullinScienceHow to Protect Your Cats (and Backyard Chickens) From Bird FluBy Sassafras PatterdaleScienceThis Is How Measles KillsBy Emily MullinScienceA Lethal Mystery Illness Spread in Congo. USAID Cuts Have Slowed the ResponseBy Kate KnibbsScienceThe US May Start Vaccinating Chickens Against Bird FluBy Emily MullinScienceUSAID Was Promised Emergency Waivers for Ebola and AIDS. They’re Not WorkingBy Kate KnibbsScienceA Deadly Unidentified Disease Has Emerged in the DRCBy Marta MussoScienceNearly 100 Measles Cases Have Been Reported in TexasBy Javier CarbajalScienceThis New Drug Could Help End the HIV Epidemic—but US Funding Cuts Are Killing Its RolloutBy David CoxScienceThis Weird, Fleshy Novel Is Exactly What You Need Right NowBy Matt ReynoldsScienceThe US Has Bird Flu Vaccines. Here’s Why You Can’t Get OneBy Emily MullinMore Stories