White-nose syndrome has continued to spread rapidly. At the end of the 2011-2012 hibernating season, bats with WNS were confirmed in 22 states and five Canadian provinces:

• Alabama
• Connecticut
• Delaware
• Georgia
• Illinois
• Indiana
• Kentucky
• Maine
• Maryland
• Massachusetts
• Missouri
• New Hampshire
• New Jersey
• New York
• North Carolina
• Ohio
• Pennsylvania
• South Carolina
• Tennessee
• Vermont
• Virginia
• West Virginia
• New Brunswick, Canada
• Nova Scotia, Canada
• Ontario, Canada
• Prince Edward Island, Canada
• Quebec, Canada

The fungus that causes WNS, Geomyces destructans, has been confirmed in two additional states:

• Iowa
• Oklahoma