How you can help the Hurricane Harvey victims in Texas

ABC News chief medical contributor Dr. Jennifer Ashton reports that the Red Cross and Facebook's "safety check" feature are stepping up to help in the wake of Hurricane Harvey.
4:12 | 08/28/17

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Transcript for How you can help the Hurricane Harvey victims in Texas
We want to show you aerial footage coming in from the coast guard. There you see it. That is the city of Houston hit so hard this weekend by hurricane Harvey now tropical storm but the rain continues in Houston this morning. The rescues continue. That entire city submerged right now. This is a situation that is going to go on for days, weeks, months and years. It is just beginning right now. Yeah, that's right. Hundreds of people still waiting to be rescued as we come on the air. Dr. Jen Ashton is back now with more on the medical issues that so many people in the Houston area are facing and the help that is on the way. The red cross playing a huge role. Correct. In spearheading a lot. What are they doing right now. The red cross really leads the way for these natural disasters in terms of emergency response as per their latest information. They have supplies in Houston for 28,000 people. There are additional 22,000 supplies set to arrive in short order. Possibly today. Again, that totals about 50,000 supplies. There are over 2 million people who live in Houston and more in the surround area. Nearly half of the red cross emergency vehicle fleet is on site. And people who want to help, again, we can't emphasize this enough should text the word "Harvey" to 90999. They will immediately make a $10 donation. Every little bit helps. Couldn't be easier to do. All of three seconds to do it. Good for you. To be clear what they're delivering here, meals ready to eat, cleaning supplies, water, diapers, we're talking about the bare necessities here. People have left their home in a moment's notice. They didn't bring food, they didn't bring water. They didn't bring any extra clothes so they need everything. What's coming off those clothes is life saving. What else can we do? What can those do who are out of the storm zone feel so helpless want to help. We've heard about the social media response here and what we're seeing with Facebook is something called a safety check. It's part of Facebook. This is really unprecedented. It's kind of a community help feature that's allowing people in the Houston area and all over the country and obviously the world to communicate to offer help, to raise money. It is considered a more secure site to be able to do that and we are -- I looked at it last night. We are seeing legitimate cries for medical assistance emergently. As you were telling us earlier those cries for medical help are only going to increase. Absolutely. In the coming days. We have to remember there's cute and chronic so in the acute sense, there are people in the area having heart attack, having difficulty breathing, going into labor, having babies, not to mention all of the storm-related consequences that we will start to see in the ensuing hours and days, infection, dehydration, diarrhea. We have to remember they're walking through waste deep water. You can't see where you're walking. ,Pyou can get skin wounds, lacerations, injuries, those will need medical assistance and the hospitals in the area are literally islands most of them. They can't get supplies in and, again, supplies, we're talking not just food, blood, and so anyone in the country now is the time, donate blood in some cases if you're in the Texas area, that blood could actually arrive in Houston and help the people in the hospitals who need it. So needed. Any advice for people who are in these areas in order to avoid some of these further incidents that could happen in terms of infection in the wear and all of that. Two things, first of all, you know, the credo of ems and first responders is is the scene safe. We can see with these images this scene is not safe and yet there are innocent bystanders, community members and first responders going in there and many cases endangering their own safety to help others. You know, we've heard before people who want to help unless you have a boat, do not go into that area. Because the risk is you will add yourself -- You can cause more trouble? Exactly. We don't want to add to the number of people who need to be rescued but it bears repeating for people all over the country watching this story unfold, a disaster can occur any time anywhere, make sure you have your medications, your emergency check list ready to go. This is a reminder for anybody because you never know when mother nature is going to unleash something like this. You should be prepared ahead of time in that's right. Few of us including myself really are so, again, this a good truant and we'll be watching this medical situation very, very closely. We know you will. Dr. Jen Ashton, as always, thanks so much. For more on the ways you can help storm victims, you can go to our website, on Yahoo! Coming up next we are

This transcript has been automatically generated and may not be 100% accurate.

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