Mayo Clinic Minute - What Is the Zika Virus?

Many people are booking trips to warmer climates to get a break from the cold. If you're heading to certain areas of the globe where there are known mosquito-borne illnesses, Mayo Clinic experts suggest you take precautions. Viruses such as malaria and dengue fever are real, and so is another emerging virus called the Zika virus. The CDC says symptoms of this virus are usually very mild, but it could be an issue for pregnant women because it may cause birth defects.