
In this docuseries, meet the heroes on the front lines of the battle against influenza and learn about their efforts to stop the next global outbreak.
Browse episodes by season for this series.


2020-01-22
Aired 2020-01-22
In this introduction to life on the front lines, doctors in the U.S. and Asia battle the flu, and researchers race to develop a universal vaccine.

2020-01-22
Aired 2020-01-22
Vaccine debates rage while health-care workers inoculate against the Ebola virus in Congo and influenza in detainee camps at the U.S.-Mexico border.

2020-01-22
Aired 2020-01-22
Worldwide, scientists test animals and their handlers for emerging viruses. In the U.S. and India, doctors work long hours caring for flu patients.

2020-01-22
Aired 2020-01-22
Anti-vaccine debate escalates, and medical staff are attacked in Congo. Funding cuts hit hard in the U.S., but researchers in Guatemala make strides.

2020-01-22
Aired 2020-01-22
Around the world, community, family and faith help physicians and medical advocates stay strong in the face of long hours and a relentless disease.

2020-01-22
Aired 2020-01-22
Successes for some balance setbacks for others. Meanwhile, viral outbreaks continue to claim lives across the globe — and a larger pandemic looms.
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