3 3 It's a disturbing sight -- dead dolphins .. washing up on the Florida coast .. including our part of the state. The carcasses of roughly 10 dolphins have washed ashore in Flagler and St. Johns Counties in the past THREE days!!! Biologists believe they're dying from a measles-like disease, that so far has killed more than 800 dolphins all along the east coast of the United States. The outbreak is causing so much concern .. that even Marineland Dolphin Adventure in St. Johns County is taking extra precautions to make sure its dolphins don't get sick. Channel 4's Hailey Winslow has been looking into this deadly dolphin disease ... and joins us now live from Vilano Beach .. near where some of the mammals have washed ashore ...Hailey. 3 3 3 00-0516-2153-581:19-1:23This little guy was about a month old...when he washed up dead at Anastasia State Park... the bottlenose dolphin next to him...washed up on Ponte Vedra Beach...Recovery crews prepare to perform necropsies on both to determine how they died...they believe from morbillivirus... ...another popular place to watch dolphins play is Marineland Dolphin Adventure in southern St. Johns County...but Debbie Varnes and her 7-year old daughter likely wouldn't be allowed in right now, because they've been watching this recovery process so close... As part of precautionary measures Marineland is taking to make sure its dolphins don't get infected, it's asking people who have been near dolphin strandings to come back another time... staff, like field coordinator Matthew Denny also can't go into the park anytime soon...because morbillivirus is highly contagious...39:40 DENNY: "there are no documented cases of humans contracting cetecean morbillarvirus but we can serve as a carrier or a vector and transfer it to these healthy dolphins that reside at marineland or any sort of marine park like that."> ... NOAA fisheries has declared this deadly dolphin outbreak an unusual mortality event...that happened once before in the 80's... researchers are hoping they use what they learn to prevent something similar from happening in the future... ...that information will hopefully help conserve and protect these beautiful creatures and ultimately us... 3 Hailey ... is SeaWorld taking similar precautions to make sure its dolphins don't get sick? ?