Michigan is reporting more cyclospora cases than any other state with thousands sick from the food-borne parasite. But the outbreak is really a window onto something bigger.

Dr. Céline Gounder — infectious disease specialist, epidemiologist, and a doctor who still works the wards at Bellevue Hospital — joins Robyn Vincent to explain why America's public health apparatus is eroding. Have thoughts? Email the show at metro@wdet.org