Officials Confirm New Cases of Zika Virus

Illinois state officials confirm two pregnant women there have the mosquito-borne disease, which has been linked to severe birth defects.
1:34 | 01/20/16

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Transcript for Officials Confirm New Cases of Zika Virus
A segue to a health alert for millions of pregnant women focused on the dangerous zika virus. Two new cases confirmed and three in Florida and rich Besser with the latest. You warned it was dangerous and would get worse. It's spread by infected mosquitoes. Pose people who get bit by one of these mosquitoes will have no illness or a mild illness but if you're pregnant it can cause severe brain damage in a baby. In Brazil more than 34,000 babies so far -- 3,000. These cases in the U.S., not much of a danger of them passing on the disease. It's not contagious in that way. That's right. They expect this will continue to spread throughout the region so American travelers are at risk. And we do have the same mosquito here in the United States in some of the southern states and I asked CDC about this. What we've seen before is with the introduction of similar types of viruses is small little outbreaks so they think that is possible along our border area. The warning now is against travel to 13 countries and Puerto Rico. If someone travels, a pregnant woman travels to one of those countries what is the symptoms you should look for. Again, most it's going to be mild but the symptoms, fever, joint pain, rash, pink eye. If you get those and you're pregnant within 14 days see your doctor. They can do testing and monitoring but unfortunately there is no treatment for this infection. So much concern about this because of the olympics in Brazil. The idea of who should travel to the olympics, who can go to the caribbean for vacations, because while it's only in a couple of countries, the expectation is it will spread throughout that region. Okay, rich, thanks very much.

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

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