![Back-to-back shark attacks leave 4 people injured in Texas and Florida](https://npr.brightspotcdn.com/dims3/default/strip/false/crop/3000x1682+0+0/resize/3000x1682!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F52%2F9b%2F484425ed4433877f23abc3f7bbe6%2Fap24187594288571.jpg)
An abnormally high number of people were bitten by sharks in coastal waters over the span of a day that began on July 4. Upticks in shark attacks alone are not cause for concern, an expert says.
(Image credit: Texas Department of Public Safety)
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