>> pen health officials say the two women in the keystone state traveled to areas infected with the zika virus. the pennsylvania secretary of health says the cases pose no threat to the public. the zika virus is transmitted mostly by mosquitos. it is happening in south and central america but now we're seeing these cases pop up here in the u.s. and people who have traveled to those areas. a doctor specializing in infectious disease says it is likely that this virus will eventually show up in all 50 states but the risk of spreading it from person to person is very minimal. we talked with a local woman who just came back from cancun. she's 13 weeks pregnant and says she focused on precautions. >> if you're still planning on going, i would still go. if not, i understand but make sure you take bug spray. there's different kinds you recommend you bring with you. that's definitely a positive thing to look out for. >> reporter: meantime, president barack obama is asking congress for more than $1.8 billion in emergency funding to respond to the zika virus outbreak. and the delaware department of

. >> you can see the scene behind us, the 1200 block of keystone. we have video where you can take a closer look at what happened here. this was around 2:00 this morning. initially police told us there was a shooting out here. there's an su viv that went up to a sidewalk that crashed. investigators have been working around that vehicle for quite a while. the delaware county crime scene unit is out here as well. we did see investigators going around this area with flashlights. i also just spoke with a relative of the people who were in that car. she tells me it was a brother and kus than were in that vehicle. i just spoke with them. right now this does appear to be a shooting investigation in chester. we'll try to get more information from police here at the scene. they're not saying a lot about what haed this morning. right now, live in chester, matt delucia, nbc 10 news. >>> happening today, the family of a woman murdered by her husband will fight to keep him in jail. rafael robb is up for parole. he was convicted of beating ellen robb to death wit

. >>> for at least the next ten years, seen yours will not have to take the keystone exam to graduate. will said there have been problems implementing the test in the past and too many students are failing even after taking them twice. they also require other ways to test students to make sure they're ready to graduate. >>> they met to discuss getting more resources for schools. the mayor said last night's meeting helped the city learn what the principals need. for example they told the mayor putting more nurses and guidance counselors in schools would free up teachers to focus on the classrooms. mayor kenney plans to hold similar meetings throughout the school year. >>> and your small dogs and cats can now ride on the rails. >> how about that. amtrak is expanding the program. there are some restrictions. only one cat or small dog can be allowed on trips up to seven hours. they must be in an enclosed carrier and they may not weigh more than 20 pounds. >>> and penn vet will follow fourth year students as they complete their studies at the university of pennsylvania veterinary school of