How to prevent meningitis.
San Diego State is alerting students who may have been exposed to meningitis at a pair of frat parties.
The university says it was notified that a current student has a probable case of meningitis.
The concern is for those who attended the Delta Sigma Phi formal Friday April 12th and the Delta Sigma Phi social event Saturday, April 13th.
Check out this slideshow on preventing meningitis