ANNAPOLIS, Md. (WJZ) — Three Maryland lawmakers want the CDC to review its guidelines for adenovirus outbreaks.

Senators Ben Cardin and Chris Van Hollen, and Congressman Steny Hoyer wrote a letter to the agency after a deadly adenovirus outbreak at the University of Maryland, College Park.

More than 40 students got sick from the outbreak and freshman Olivia Paregol died.

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The University said it relied heavily on CDC guidelines when dealing with the outbreak last fall.