WASHINGTON, Aug. 1, 2012 /PRNewswire-USNewswire/ -- Celebrities from around the world called on their fans and followers to join the END7 campaign, a global effort to eliminate seven neglected tropical diseases (NTDs) by 2020. END7 is a campaign of the Sabin Vaccine Institute. Music, entertainment and fashion stars, including Katy Perry, Slash, Ewan McGregor, Stella McCartney, Tom Felton, Alyssa Milano, Danny DeVito, Amos Lee, Norah Jones, MC Hammer, Aaron Neville, The Kooks, Rosanne Cash and many others reached out to their Twitter and Facebook fans to help END7 raise awareness about these devastating diseases of poverty that infect one in six people worldwide, including 500 million children.

"Join us in ending 7 diseases by 2020! Follow @END_7 today and find out how to make it all possible!" tweeted pop singer Katy Perry (