Most of the world's supply of [Shikimic acid] comes from the seed of the star anise, the fruit of a tree grown in China. As demand for Tamiflu has soared, the price of shikimic acid from that source has spiked from $45 a kilogram to over $600 in the last year. There are also persistent fears the Chinese government will ban export of the element in order to secure its own supplies.
Shikimic acid is used to make the synthetic element oseltamivir, marketed by global pharmaceutical megafirm Roche Laboratories Inc. as Tamiflu.
Here's a link to the full article.
So the trouble started in China, and most of the world's supply of the only thing that really can stop the bird flu is in China... Forget I said anything.