a new strain of avian flu or bird flu has been diagnosed in china and has also infected some humans . the strain also " spreads well " and has covered a " little geographic region " according to chinese medical officials . it is not known how destructive the new virus is and whether it is stronger or deadlier than the current h5n1 virus . despite being spotted in animals , no record has turned up to say that the disease can be spread well from human to human .
483lu suffer from the h5n1 deficiency .