Researchers close to a vaccine for strep-A and rheumatic heart disease | 7.30 

A warning to our Aboriginal and Torres Strait Islander viewers - this story contains the images of people who have died.
One of the issues that was highlighted in the recent Voice referendum was the scandalously high rates of rheumatic heart disease in remote Indigenous communities. It's a life-threatening and incurable disease that is often associated with poor living conditions.
But as Peter McCutcheon reports, there's been some encouraging news on at least one front.
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