deputy director tyler brock says siouxland district health is receiving several calls daily about the zika virus. an illness that can cause a major birth defect. 9:44 "until we know more we need to do what we have to do to prevent pregnant women from getting the virus. that is key." :08 brock says pregnant women shouldn't travel to tropical countries including mexico, costa rica, haiti, and a large part of south american. if they must they should do whatever they can to avoid a mosquito bite. about one in five infected with the zika virus become sick. common symptoms include fever, rash, joint pain or pink eye. there are no confirmed cases in siouxland. but, there are two in the omaha area. so, far testing is limited to people with symptoms and pregnant women who may be infected. (matt) today, the president asked congress to approve almost $2 billion in emergency funds to u.s. health officials also say they are working hard to understand the zika virus. they held a news conference today at the white house. the cdc has moved to its highest alert level over the outbreak. the virus is st