(CNN) Even after Hurricane Harvey's immediate flooding threat goes away, Texas residents will still face a host of potential health problems from the water -- and from what the water leaves behind. Health and Human Services Secretary Dr. Tom Price declared a public health emergency in Texas on Sunday. That's a serious problem in developing countries where cholera, typhoid or yellow fever are already present, according to the World Health Organization . That way they can avoid direct contact with any item that has come into contact with floodwater. The storms can exacerbate existing mental health problems or lead to new ones.

Source: CNN August 27, 2017 18:11 UTC