Cabin Fever 2: Spring Fever

Cabin FeverSpring Fever is an 2009 American horror film about a high school prom that descends into sheer panic when a deadly flesheating virus spreads via a popular brand of bottled water. The film was directed by Ti West and stars Giuseppe Andrews and Noah Segan. It is a sequel to the 2002 movie, Cabin Fever.

The creek Paul was lying in was connected to a bottledwater company and the infected water was distributed to the local high school.John Noah Segan, a senior at the high school, is deciding whether to go to prom with his longtime crush Cassie Alexi Wasser or stay home. His friend Alex Rusty Kelley is against going until he hooks up with a girl named Liz Regan Deal. She then says if she can get off work that night, she will meet him there. ........

Source: Wikipedia