There's a health warning out for thousands of Aussie kids with alarming new data revealing children are falling sick at a shocking rate this winter. Gastro cases caused by a nasty parasite have climbed to a 20-year-high with four times the amount of gastro cases among toddlers and young children compared to last year. 

For more, Sunrise GP, Doctor Ginni Mansberg, joins.

See omnystudio.com/listener for privacy information.