Public health experts have expressed alarm over Donald Trump picking a vaccine-skeptic to head the US Department of Health and Human Services. Robert F. Kennedy Jr.'s nomination comes as falling vaccination rates for diseases such as measles have led to a spike in cases globally. What's behind anti-vaccine sentiment, how is it evolving and what effect is it having on public health? Sam Fazeli, PhD in pharmacology and Director of Research at Bloomberg Intelligence, joins host Stephen Carroll to discuss.

See omnystudio.com/listener for privacy information.