Katie Johnson has 4 The Vaccines concerts.

The Vaccines is a London, UK indie rock band formed in 2010, consisting of Justin Young (vocals, guitar), Árni Hjörvar (bass), Freddie Cowan (guitar), and Pete Robertson (drums). After signing to Marshall Teller Records, they released their debut single, "Wreckin' Bar (Ra Ra Ra)"/"Blow It Up". The band recorded their first radio session for Marc Riley's BBC 6 Music show in December 2010. They also performed live on Later with Jools Holland. On 5th January 2011 they were placed third in the BBC's 'Sound of 2011' poll.