CCD caused by nosema parasites?

From the article over at scidaily.com:

For the first time, scientists have isolated the parasite Nosema ceranae (Microsporidia) from professional apiaries suffering from honey bee colony depopulation syndrome. They then went on to treat the infection with complete success.

You can read the full article here:

http://www.sciencedaily.com/releases/2009/04/090414084627.htm