Puppies to blame for sickening hundreds of people: CDC Video

  • Now Playing: Puppies to blame for sickening hundreds of people: CDC


  • Now Playing: It’s a good day for beer, wine and chocolate lovers




  • Now Playing: Robin Roberts celebrates the 6th anniversary of her bone marrow




  • Now Playing: Young Drake fan speaks out for 1st time since heart transplant




  • Now Playing: Feds offer new guidelines to fight obesity




  • Now Playing: ICYMI: Watch this power couple’s extreme workout




  • Now Playing: What to know about added sugars in yogurt




  • Now Playing: Celebrity trainer Ian Smith shares an at-home fall workout routine




  • Now Playing: Trainer to the stars Jeanette Jenkins shares her 5-step wellness routine




  • Now Playing: Hurricane Florence flooding brings health risks




  • Now Playing: People benefit from just 13 minutes of exercise, study finds




  • Now Playing: Genetically modified mosquitoes could eradicate malaria




  • Now Playing: Amazing advancements against cancer, but not everyone benefits




  • Now Playing: FDA calls e-cigarettes ‘an epidemic’ among minors




  • Now Playing: Behind the byline: Barbara Feder Ostrov on her Prudence Hall story




  • Now Playing: How one mom changed an organ transplant policy to save her dying daughter




  • Now Playing: 14 fall sick in salmonella outbreak possibly linked to large, cage-free eggs




  • Now Playing: Sugar-Free September: Can you give up added sugar for a whole month?




  • Now Playing: Doctors providing opioids without proper documentation: Study




  • Now Playing: Olivia Newton-John reveals that her breast cancer has returned