David Coverdale announced via the Whitesnake.com website that the band would be stepping off its band's co-headlining summer tour with the Scorpions due to his ongoing repository illness.
Coverdale statement reads in full:
It is with profound disappointment and a heavy heart that I must announce that Whitesnake will no longer be able to join The Scorpions on their US and Canadian tour due to my continued treatment for a persistent upper respiratory infection that affects my ability to perform. This includes the cancellation of our own headlining shows as well.