quote from:  http://www.chinafeed.com.cn

With the arrival of autumn and winter, the bird flu epidemic is bound to return. Now in the world, Brazil, Canada, the United Kingdom and other places have appeared bird flu outbreaks.

The A (H5N1) bird flu virus has recently caused outbreaks and deaths in cats in Poland as it spreads among mammals, the United Nations said on July 17. It calls for increased global surveillance, cooperation and response to protect human and animal health.