"Haeman Jang. He clearly showed that the H5N1 virus can infect mouse neurons within a few days,
where it causes certain proteins to gather in the sorts of clumps
that are so strongly associated with neurodegenerative disease.
It kills off important cells, triggers symptoms reminiscent of Parkinson's like tremors,
and even stimulates an over-the-top immune response
that lasted for months after the original infection was cleared",
http://scienceblogs.com/notrocketscience/about.php
http://www.wissenschaft.de/wissenschaft/news/306207.html