Red Cross volunteers prepare to bury the body of an Ebola victim in Pendembu, Sierra Leone, early this month. Tommy Trenchard for NPR hide caption

toggle caption Tommy Trenchard for NPR

As Ebola Surges, CDC Sends Aid And Warns Against Travel

  • Download
  • <iframe src="https://www.npr.org/player/embed/336872606/337109797" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

The CDC's director, Tom Frieden, testified before a congressional subcommittee Wednesday regarding a recent anthrax incident and lab safety improvements he is instituting. AFP/Getty Images hide caption

toggle caption AFP/Getty Images

Head Scientist At CDC Weighs Costs Of Recent Lab Safety Breaches

  • Download
  • <iframe src="https://www.npr.org/player/embed/332337425/332498808" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Particles of H5N1 virus — a particularly dangerous type of bird flu that can infect people — attack lung cells. Chris Bjornberg/Science Source hide caption

toggle caption Chris Bjornberg/Science Source

Feds Tighten Lab Security After Anthrax, Bird Flu Blunders

  • Download
  • <iframe src="https://www.npr.org/player/embed/330725773/330760949" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Sick with chikungunya, Karla Sepulveda, 5, waits in a public hospital with her grandmother in Boca Chica, Dominican Republic, on May 15. The Caribbean nation has reported more than 100,000 cases this year. Ezequiel Abiu Lopez/AP hide caption

toggle caption Ezequiel Abiu Lopez/AP

Chikun-What? A New Mosquito-Borne Virus Lands In The U.S.

  • Download
  • <iframe src="https://www.npr.org/player/embed/327760854/328012105" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Deaths from oxycodone overdoses fell sharply in Florida after the state cracked down on pain clinics and implemented dispensing restrictions. Robin Nelson/Zumapress/Corbis hide caption

toggle caption Robin Nelson/Zumapress/Corbis

Dr. Lisa Sterman held a Truvada pill at her office in San Francisco in 2012. She prescribed Truvada to patients at high risk for HIV infection even before the Food and Drug Administration approved the medicine explicitly for that purpose. Jeff Chiu/AP hide caption

toggle caption Jeff Chiu/AP

John Hartigan, proprietor of Vapeology LA, a store selling electronic cigarettes and related items, takes a puff from an electronic cigarette in Los Angeles. Reed Saxon/AP hide caption

toggle caption Reed Saxon/AP

Surgeon General Adds New Risks To Long List Of Smoking's Harms

  • Download
  • <iframe src="https://www.npr.org/player/embed/263333179/263333180" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

The Centers for Disease Control and Prevention's PulseNet service monitors clusters of sickness linked to potentially dangerous strains of foodborne pathogens such as E.coli or salmonella. Reed Saxon/AP hide caption

toggle caption Reed Saxon/AP

CDC: Shutdown Strains Foodborne Illness Tracking

  • Download
  • <iframe src="https://www.npr.org/player/embed/228895455/228923000" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

The Eagle Mountain Church in Newark, Texas, was linked to at least 21 cases of measles this year, mostly in children. LM Otero/AP hide caption

toggle caption LM Otero/AP