BOSTON (CBS) – A Northeastern University freshman from Wakefield has died of bacterial meningitis.

Ryan Shaw, 18, died Sunday. Meningitis is highly contagious, but Northeastern told students that he became sick after leaving campus at the end of the spring semester.

READ MORE: Distraction Brewing Company, Local Artists Team Up To Support Charity

The university and Boston public health officials have reached out to his known close contacts to offer medication and immunization.

READ MORE: Nor'easter To Bring Up To 2 Feet Of Snow And Possibly Blizzard Conditions Saturday

Shaw graduated last year from St. John’s Prep in Danvers. Headmaster Edward Hardiman told WBZ NewsRadio 1030 that Shaw was “a very loyal friend with a great sense of humor.”

MORE NEWS: 'Long Overdue': Peabody, Sudbury Plow Drivers Preparing For Saturday's Nor'easter

The freshman had volunteered in Jamaica with disabled children, and Northeastern called his death “an incredible loss.”