welcome back. prannounce they will offer students a vaccine that is not yet approved in the u.s. to try and stop a growing meningitis outbreak on campus. let s go there now, live in princeton new jersey. what s the latest? reporter: good morning to all of you. students at princeton are on the fence as to whether or not they should accept this vaccine. it is the only one in the world known to fight this particular strain of meningitis found here on the princeton campus. some are wondering should they take the vaccine or should they just take their skhapbs stph-s princeton chances? princeton officials are working to try to stem the outbreak here. seven students sickened in just seven months. they say their best option is this vaccine.