Whitesnake have removed themselves from a 24-date tour of North America, which they were scheduled to co-headline with Scorpions, due to frontman David Coverdale’s ongoing health issues.Coverdale broke the news in a statement shared to the band’s official Instagram yesterday (August 6). In it, he noted that he’s been forced to step away from the mic “due to my continued treatment for a persistent upper respiratory infection that affects my ability to perform”.A post shared by David Coverdale (@whitesnake)As a result of Coverdale’s continuing health issues, Whitesnake’s own headline shows in the US have also been cancelled.