Microsoft is encouraging teachers to use Office Live Workspace to hand out work and assignments to children with H1N1. Microsoft's Office Live Workspace is a free web-hosted service (currently in beta) available in many countries that lets users publish and share Word documents, Excel spreadsheets, and PowerPoint presentations.
Check it out: http://www.microsoft.com/education/classworkspace/default.aspx
Blog (VP, Microsoft Education): http://blogs.msdn.com/microsoftuseducation/archive/2009/09/16/h1n1-virus-forces-academic-institutions-to-think-more-aggressively-about-online-learning.aspx