In the last few years the rates of vaccine preventable illness have been on the rise. This isn’t just something that’s happening in the United States – it’s happening throughout the world. Often, these outbreaks begin with unvaccinated people. They spread through them, too. Outbreaks occur because of a breakdown in herd immunity. That’s the topic of this week’s Healthcare Triage.

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John Green -- Executive Producer
Stan Muller -- Director, Producer
Aaron Carroll -- Writer
Mark Olsen -- Graphics

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