(Bloomberg) -- A cyberattack that has disrupted Change Healthcare’s computer networks for nearly a week is creating a growing administrative problem for pharmacies and health-care providers around the nation.Most Read from BloombergApple to Wind Down Electric Car Effort After Decadelong OdysseyHow Much Wealth You Need to Join the Richest 1% Around the WorldOffice Tower Deal for $1 Reveals Anxiety Among Longtime BuyersA Spike in Heart Disease Deaths Since Covid Is Puzzling ScientistsNvidia’s $70