Harvey’s invisible health dangers

AUSTIN (KXAN) — There are the threats you can see and the ones you can’t.  People have reported seeing alligators and snakes in and around flooded homes along the gulf coast.  But health experts say it’s the stuff you can’t see in the water that is the bigger threat.
“Our best advice is stay out of the floodwater as much as you possibly can,” warns Chris Van Deusen, spokesperson for the Texas Department of State Health Services.
He says floodwaters c