The UK has declared a national incident in response to one of the worst measles outbreaks since the 1990s. Why are cases rising?
To find out more about Tortoise:
Download the Tortoise app - for a listening experience curated by our journalists
Subscribe to Tortoise+ on Apple Podcasts for early access and ad-free content
Become a member and get access to all of Tortoise's premium audio offerings and more
If you want to get in touch with us directly about a story, or tell us more about the stories you want to hear about contact hello@tortoisemedia.com
","author_name":"The Observer"}