It’s time for senior prom, but 33 students at Norwin High School were told they won't be able to attend because they weren’t vaccinated against chickenpox, or failed to provide a vaccination ... more 
It’s time for senior prom, but 33 students at Norwin High School were told they won't be able to attend because they weren’t vaccinated against chickenpox, or failed to provide a vaccination record. less 
1 / 18
WTAE - Pittsburgh Videos
Mon, May 13, 2013 2:25 PM EDT