August 2014 Former Teign School pupil from overseas is diagnosed with TB

February 2015 Former classmates tested

March 2015 Second case confirmed

April 2015 Screening starts of years 10 and 12

May 2015 Public Health England confirm 94 latent TB cases and two active cases found

June 2015 Screening starts of entire school, leading to a total of 200 latent TB cases and 10 active cases found