CHICO, Calif. – A confirmed case of measles made it to Chico State which has expanded the threat to Butte County.
The number of cases for Butte is now at four adults.
University officials say students may have been open to the exposure from March 24 through the 26.
Action News spoke to two students on campus asking if they were concerned.
"I know it can be spread so easily. So I definitely have been more careful since hearing about the outbreak," Valerie Chenoweth said.
"We're all on campus, I started thinking who have I passed who touched me, I don't know," Allison Keck said.
Health officials say this is linked to the original measles cluster announced Sunday as well as there being eleven locations throughout Chico where people may have been exposed between March 18 and the 25.
Possible Chico State exposure areas:
Ayers Hall, Room 120 - March 25 from 8 - 10:30 a.m.
University Village – March 24 morning through March 26 afternoon
University Shuttle – March 25 from 8:45 - 11 a.m.
For a full list of potential exposure locations, CLICK HERE.