Dr. Thomas Frieden

The 2018 flu season is shaping up to be an especially nasty one, and new data suggests that this year's vaccine may be less effective than previously thought. 

"Zika is unprecedented and unfortunately it's going to be around for years to come, that's why it's so important that we invest now," says CDC Director Dr. Thomas Frieden.

Heroin use has dramatically increased in the last decade, reaching previously unaffected populations, according to a CDC report released this week. 

Drug-resistant bacteria kills at least 23,000 patients in the U.S. each year. The director of the CDC discusses the Obama Administration's measure to combat this growing problem.

Dr. Thomas Frieden, New York City Commissioner in the Department of Health and Mental Hygiene, talks about the risks of contracting MRSA in New York City.

City Health Commissioner Dr. Thomas Frieden explains a new report exploring the devastating costs -- both financial and personal -- of diabetes in New York. Dr. Rita Louard, a director of diabetes services at Montefiore Medical Center, reports from the front lines of the fight against the disease.