Nathan Followill's broken ribs affect all live dates until August 28
The drummer broke a number of ribs while on the band's tourbus
Drummer suffers broken ribs but is said to be 'doing well'
The band had 'an amazing night' at Verizon Wireless Amphitheater
Final day also sees performances from Suede, Peace and Swim Deep
Health officials issue statement urging Followill followers to get vaccinated against potentially 'lethal virus'
US band want a repeat of infamous 'Birmingham Sausage' incident of 2013
The 'Mechanical Bull' rockers will head up the SSE Hydro on June 20