Meningitis type B is not covered by the vaccine given to college students here in the U-S.
Ross was a 19-year-old sophomore. She died Monday at her sorority house.
Most meningitis cases among teenagers and young adults are types C or Y. Meningitis B causes the majority of cases among very young children, although it is the dominant type for all ages in the U-K and some other countries.
However, Ross had meningitis B.
That's the same type that infected seven students and one visitor at Princeton.
Students there have been given a vaccine against the B-type.
It's not approved in the U-S yet, and health officials don't plan to offer it in this case.
But they have offered preventative antibiotics to Ross's close contacts.